The researchers then staged an “incident” in which the camp’s water supply was cut off and all the boys had to check the water pipe (more than 1 km long) to see where it was blocked.

研究人员接下来安排了一个“事故”，他们切断了营区的供水。 所有的男孩子都要去检查水管（长度不止1公里），看看是不是有哪里堵住了。

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The statement is prepared on the financial picture at the end of the month, and their check was a few days late so it missed the cut off point.

我们的财务报表都是在月底做的，而他们的支票因此晚了几天进账，错过了结算日。

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Never assume electrical wiring is harmless. Check the source to insure it has been cut off, even if only changing a light bulb.

决不能认为电线没危险，要检查电源，确认停电。就是换个灯泡也要这样做。

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