To be one, to be united is a great thing. But to respect the right to be different is maybe even greater.

流放不仅仅是一个地理概念；它是一种心态。

相关系数的可能误差不是一个固定的量，而是取决于样本的大小。

A novel is a mirror that reflects not only the world but also the reader's soul.

对森林最大的威胁不是采伐，而是漠不关心。