真正的进步来自于行业和环保人士的合作，而非对立。

The fight against hunger is a fight for justice.

人类的高贵来自于你就是你，你不是别人的复制品。

当随机化不可行时，匹配方法可以是一个强大的工具。

The reason that the invisible hand often seems invisible is that it is often not there.

你送给我桃子，我就回报给你李子。意思是做人要知恩图报，不能忘恩负义。也比喻礼尚往来，相互赠送礼物。