The biggest challenge here is irrigation, which consumes 70% the world's fresh water.

1、

Population aging is a worldwide problem and it is quite serious in China. The proportion of rural elderly is more than seventy percent of a large amount of aged population.

人口老龄化是一个世界性难题，我国所面临的挑战尤为严峻。在数量庞大的老年人口之中，农村老人所占比例达到七成以上。

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2、

According to the analyses of data of Wind, 70% of the stock price which uses the management equity incentive is equal to the initial exercise price in the incentive program.

根据Wind资讯的统计数据，在采用管理层股权激励的股票中，有七成以上的股票价格，已经低于当初激励方案中的行权价。

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3、

• although Android is likely to grow its smartphone market share faster, Apple will probably maintain a 70%+ share of mobile app dollars spent over the next 3 or 4 years.

•尽管Android在智能手机市场的份额有可能加速增长，但未来3到4年，苹果或将继续霸占七成以上移动应用程序市场的总营收。

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4、

The floor of the hut was of trodden-down red earth.

棚屋的地是踏得很平实的红土.

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5、

The wind continued to beat about the corners of the hut, but the flute-playing ceased.

风依然在打着棚屋的四角, 但长笛声已经消隐了.

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6、

I had to knock the branches back to reach the hut.

我得把树枝推开后才能到达棚屋.

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7、

The little prefabricated hut was lifted away by a huge crane.

那间用预制板搭建的小棚屋被一辆大型起重机吊走了。

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8、

In early stages of design, pretend the interface is magic.

在设计的早期阶段, 假设界面有魔术效应.

About Face 3交互设计精髓

9、

He flicked his headlights on and off for her to notice.

他一明一暗地闪动他的前灯,以引起她的注意.

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10、

Shadows flickered on the wall.

影子在墙上闪动不定.

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11、

His left-hand / right-hand indicator is flashing.

他的左[右]信号灯在闪动.

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12、

The flashing lights mean that the road is blocked.

那闪动的灯光表示此路不通.

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13、

The statues'selling point: They are big, simple and cheap.

这些纪念碑的卖点是: 体型庞大、造型简单、价格便宜.

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14、

Its small size makes it very portable and its cheap very affordable.

很小很便携,价格便宜值得购买.

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15、

This work presented advanced techniques for preparing aluminium hydroxide sol by aluminium.

利用价格便宜的纯铝制备氢氧化铝溶胶.

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16、

Electronic watches have such advantages as keeping accurate time and being cheap.

电子手表有走时准确,价格便宜的优点.

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17、

The giant size packet gives you more for less money!

特大包装,份量多,价格便宜.

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18、

They're both very good buys.

这两栋都是价格便宜的.

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19、

I snapped up the coat at that cheap price.

在价格便宜时我买下了这件大衣.

《简明英汉词典》

20、

They all said "This is crazy, this makes no sense".

他们都说“这太不靠谱了，一点儿都不明智”。

《柯林斯高阶英汉双解学习词典》