In the third place, there are the silent and dignified trees, giving us shade in summer and not shutting out the warm sunshine in winter, and there is nothing better than that.

• 二、我们的世界是冬夏交替的，这本身就是完美的，然而，更为完美的是冬夏之间还有春秋的渐变，没有什么是比这更好的。