4．Remember you may be taken to court for not doing so, and you may be fined if you cannot prove to the court that you have been excused from wearing it.

　　5．Professor Taiju Matsuzawa wanted to find out why otherwise healthy farmers in northern Japan appeared to be losing their ability to think and reason at a relatively early age, and how the process of ageing could he slowed down.

　　6．With a team of colleagues at Tokyo National University, he set about measuring brain volumes of a thousand people of different ages and varying occupations.

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　　4．注意你如果不这么做(系安全带)的话，你有可能被告上法庭，而且你有可能被处以罚款除非你能证明你有不带安全带的理由。

　　5．Taiju Matsuzawa教授想找出为什么日本北部的健康农民在相对年轻的年龄就显得开始失去思考与推理的能力的原因以及怎样才能延缓老化过程。

　　6．在东京国立大学的同事们的帮助下，他开始对一千来自不同职业的人群进行了大脑体积的测量。