当随机化不可行时，匹配方法可以是一个强大的工具。

Every artist is a cannibal, every poet is a thief.

I declare after all there is no enjoyment like reading! How much sooner one tires of any thing than of a book!

"We are all just walking each other home."

Everyone on earth has a treasure that awaits him.

In mathematics, truth is found not through consensus but through proof.

我要在宇宙中留下痕迹。

最好的扶贫计划是一个能提供好工作的增长型经济。