地理学首先是关于地方的科学，而非关于人的科学。

我只是享受当下。

在数据库的世界里，一种尺寸并不适合所有人。专业化是效率的关键。

When you arrive at your room in a hotel， locate the emergency exits. It only takes a minute.

States are rational actors that seek to maximize their relative power in order to ensure their survival in a competitive international system.

The only way to get rid of a temptation is to yield to it.