我们今天种植的每一棵树都是留给后代的遗产。

政府的腐败几乎总是始于其原则的衰败。

Logic is one thing and common sense another.

The process of solving a mathematical problem is often more important than the solution itself.

君子做学问，目的是为了明白道理，拯救社会。

阳台或者门廊应该至少有两米深，不然就用不上。