The anarchic nature of the international system forces states to compete for power.

在股票中赚钱的关键是不要被吓跑。

"You have to believe in yourself when no one else does—that's what makes you a champion."

Wherever you go, you take yourself with you.

可持续性不是一种选择，而是我们对后代的责任。

每座建筑都是原型。没有两座是相同的。