1. You don't grow the grain you eat and you don't make the clothes you wear.

2.   One dialect is known to every linguist in this room.

3.  A new administrative building was built in our institute last year.

你吃的粮食不是你自己种的，你穿的衣服不是你自己做的。

有一种方言，这间屋子里的每位语言学家都懂得。

我们学院去年建了一栋新的行政大楼。

It took him two long montha to finish such a thin book.

It is difficult to quantify the value of a good education.

The strong walls of the castle served as a good defense against the attackers.

薄薄的一本书他竟看了两个月。

教育质量的好坏，很难量化。

那座城堡城墙坚固，在敌人进攻时起了很好的防御作用。