Contraction of front and side parts as cells die off was observed in some subjects in their thirties, but it was still not evident in some sixty and seventy-year-olds. 有的人(大脑)前部和侧部的收缩随着细胞的死亡在三十多岁时就能被观察到了，但是也有些人直到六七岁依然不明显。

　　I wasn’t born yesterday.(我又不是三岁小孩。)

　　I’m mad about Bruce Lee.(我迷死李小龙了。)

　　It　is　time　the　authorities　concerned　took　proper　steps　to　solve　the　traffic　problems.　该是有关当局采取适当的措施来解决交通问题的时候了。

　　It’s my treat[请客、款待] this time.(这次我请客!)

　　Its a small world.(世界真小!)

　　Nothing is more important than to receive education. 没有比接受教育更重要的事。

　　On　no　account　can　we　ignore　the　value　of　knowledge.　我们绝对不能忽略知识的价值。

　　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.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。