Last night, my mother had to stay up late because of too much work.

昨天晚上，我妈妈因为工作太多而不得不熬夜。

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Experts think that about 50 percent of open fires are dangerous because chimneys don't work properly and too much smoke stays in the house.

专家认为，约50%的明火是危险的，因为烟囱不能正常运作，有太多烟雾会留在室内。

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Managers don't mind too much, because programmers working alone fit into the work plan easier, and having many people working on discrete pieces of the problem at the same time seems more efficient.

经理们并不太在意，因为程序员独自工作更易于制定工作计划，而且让许多人同时处理问题的不同部分似乎效率更高。

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In other words, too low a rate of unemployment or too few Americans out of work, is bad for the economy because it would lead to too much inflation.

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