Colleagues who don't trust one another will need to spend more time watching their backs than doing any useful work.

对于互不信任的同事来说，比起做任何有用的工作，他们需要花更多的时间去小心提防他人。

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Every day, we spend time filling the necessary tasks bottle with useful things, like making money, doing housework, buying food and paying bills.

每一天，我们花时间用有用的东西来填满必要的任务瓶，比如赚钱、做家务、买食物和付账单。

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First of all, many pupils suggest that history is one of the less interesting school subjects and that governments should spend the time and money on subjects that are more useful.

首先，许多学生认为历史是一门不那么有趣的学校科目，政府应该把时间和金钱花在更有用的科目上。

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