我认为你不应该对任何事情感到后悔。一切事情的发生都有其原因。
"I hope my books can help children see the world in a different way, to notice the small details and the hidden meanings."
In international trade, a country should specialize in the production of goods for which it has a comparative advantage, and trade with other nations to maximize overall economic welfare.
多样性是未来。我们都不同,而这些差异让我们更强大。