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1·Reason: the body quickly habituates to the chemical and requires ever higher doses to feel anything at all.

原因呢：人体迅速适应了这种化合物，需要更高剂量才能有点感觉。

2·WASH said that too much salt in childhood habituates youngsters to the taste of salt, and puts up blood pressure, which leads to strokes and heart failure.

盐与健康世界行动“称，童年食盐摄入过多会导致青年时期习惯食盐、血压升高，引发中风和心力衰竭。

3·In contrast, employees habituates themselves to break the task down according to working days. They have got used to leaving office on time, leaving behind the rest for tomorrow.

而就业者会习惯性地把工作按照天数来分解，下班时间一到心里就习惯性地想闪人，剩下的工作明天再做。