【讲解】：不怕东西少而怕分配不均匀，不怕贫困而怕不安定。

The sweetest fruits often come from the hardest seasons.

成功不在于你赚了多少钱，而在于你对人们生活的影响。

The cinema is a mirror by which we often see ourselves.

乐观是正常的，但一些幸运的人比我们其他人更乐观。

The boundary between physics and mathematics is not as clear-cut as we might think.