The past is not a straight line but a tangled web.

我的话在她心中：冰冷的抛光石头沉入沼泽。

The most powerful statements are often the quietest.

The blood in the animal body is impelled in a circle, and is in a state of ceaseless motion.

树种多样性不仅仅是生态学，它是我们地球肺部的风险管理。