如果你想要与别人制造羁绊，就要承担流泪的风险。

International politics is a ruthless and dangerous business, and it is foolish to expect states to behave according to moral principles.

We are all of us made by what we have done, and what has been done to us.

Collaboration across the supply chain is key to building a resilient food system.

一个人能做的最革命的事情，就是大声宣告正在发生的事情。

实证研究中最重要的是要清楚你想要回答的问题。