Before packing your balance , unplug all connected cables to prevent damage.
在发运前拆除所有连接电缆,以避免出现不必要的破损.
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不必要的努力会尽可能地减少,因为我们的市场情报将会增加.
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Not only this, she read them aloud and put down quite unnecessarily words we already knew.
同时读着,同时连教师随手写的、已经不必要的、读过的熟字, 她也记了下来.
汉英文学 - 中国现代小说
After the unhappily quarrel, i thnink it's a must to be apart for a period.
发生了这样不愉快的争吵之后, 我觉得有必要暂时离开一段时间.
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Another reason is that I would not like any undue publicity for or against anyone.
另一个原因是,我不喜欢任何不必要的宣传支持或反对任何人.
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