The first lesson reading teaches is how to be alone.
The process of mathematical discovery is as important as the discovery itself.
过度捕捞是一个可以解决的问题,但它需要全球的承诺和地方的行动。
The past is a shadow that follows us, no matter how fast we run.
社会是由某些关系或行为方式联合起来的个体的集合,这些关系或行为方式将他们与那些不进入这些关系或行为方式不同的人区分开来。