In order for the altruist not to be exploited by non-reciprocaters, it would be expected that reciprocal altruism can only exist in the co-presence of mechanisms to identify and punish "cheaters".

Then, the writer sorts out seven latitudes from her professional experience in rural area, which is presented in seven dimensions, namely material reward, reputation, professional development, interpersonal relations, altruist dedication, organization, and stability.

对于王老师在农村的职业生活体验，笔者又整理分析出七个维度，分别是物质报酬、声望地位、职业发展、人际关系、利他奉献、组织管理、安全稳定。

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To that extent, a poor man who shares his crust with a starving friend is surely a greater altruist than either billionaire.

从这种程度上讲，和这两位亿万富翁相比，与一个要饿死的朋友分享自己面包皮的穷人当然是个更伟大的利他主义者。

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Evolutionary simulation for the population of the altruist and egoist in the herd behavior model

羊群行为模式下的利他与利己人群的进化仿真

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Not exactly an altruist, but he gave me one thing

太不乐于助人了不过倒是提示了我

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Role Conversion& Altruist Thinking: Information Consulting in University Libraries

角色转换利他思考：高校图书馆信息咨询工作浅谈

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The altruist, instead of continuing to perform selfless acts, will try to compel change in the offender.

利他主义者不是继续进行无私的行为，而是试图强迫违反者改变。

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While the altruist would want the evidence, the warm-glow giver just wants to feel the connection.

利他主义者希望看到证据，而温暖的光辉型捐助者只是想感受到那种关联。

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I am not concerned here with the psychology of motives. I am not going to argue about whether people who behave altruistically are "really" doing it for secret or subconscious selfish motives.

这里我的旨趣不在动机的心理学方面，我不准备去论证人们在做出利他行为时，是否“真的”私下或下意识地抱有自私的动机。

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Why some people choose to act altruistically is unclear, says lead study investigator Dharol Tankersley, a graduate student in Huettel's laboratory.

为什么一些人会选择利他行为目前并不清楚。

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Gymnosophists should do good, serves the needy masses altruistically, and then he can become a Buddha.

修行者要广做善事，普渡众生，才干成佛。

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But he found that systematically, no matter what, there's a significant number of people who do behave altruistically, no matter what.

但他发现，整体来看，无论如何，有大量的人会表现出利他的行为，无论如何。

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The researchers also did brain scans of those who behaved most altruistically, before and after training.

在训练前后，研究人员分别扫描了那些表现得最无私的受试者的大脑。

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Debate is also intense over whether women should be paid for their milk or donate it altruistically.

对于女人是否应当出售人乳，抑或应当无私地捐赠出去，也存在激烈的争论。

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1, Headwaters of Urumqi River on the northern slop of Tianshan Alts., hypothetical twenty climatic change scenarios are discussed, which are combinations of temperature increase from 1-4 ℃ with precipitation change of 0, ± 10% and ± 20%.

以天山北坡乌鲁木齐河源1号冰川为例，假设温度升高1&4℃和相应的降水量变化为0，±10%，±20%组合成二十种气候变化情景进行计算。

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Assistant Language Teachers ( ALTs) are regulated to human tape recorders, and then set free to roam the class and "help" thestudents.

一些助理语言教师相当于人类录音机，然后踱步于课堂间并“帮助”学生。

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In this paper, we show an optimal plans for simple step-stress ALTS with Weibull distribution and Extreme value distribution.

本文研究了Weibull分布和极小值分布下简单步加试验的最优设计问题。

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In addition to an excellent cost performance, ALTUS provides a feeling of "easy control" that inspires confidence, especially among novice cyclists and younger riders.

不谈Altus出色的性价比，它还能提供一种能激发自信的良好操控感，尤其是对于初学者或者年幼的骑友来说。

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ALTUS is a7/ 8-speed MTB-style component group for city sport and youth bikes.

Altus是为城市运动或者青年运动设计的7/8速山地车组件。

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Their classroom teacher, Altus Basson, says he has seen an in results.

他们这个班级的教师Altus Basson表示，他看到了学生们学习成绩的进步。

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Their classroom teacher, Altus Basson, says he has seen an improvement in results.

他们的课堂老师阿尔特斯·巴森（Altus Basson）说，他已经看到了成绩上的进步。

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