Treating a person to a meal never fails， and is so easy to do. It’s powerful with old friends and a great way to make new friends.

文学是事后分析。

The question is, are we happy to suppose that our grandchildren may never be able to see an elephant except in a picture book?

Leadership is about making tough decisions and standing by them, even when they are unpopular.

挑战不在于代表非洲，而在于呈现非洲的复杂性。

自然和历史是地理知识的两个重要来源。