每个孩子都是不同的花朵,共同让这个世界变成一个美丽的花园。
The key to comedy is timing, and the key to timing is patience.
出自《抱朴子·备阙》。使用弹弓打鸟,泥丸比千金更适用。
Mathematics is the foundation upon which the edifice of science is built.