有一个人从天堂来到人间旅游,他所使用的是有效三十天的减价票,他试图要把他的回程票卖掉。
衡量一家公司成功的真正标准是它对人类和地球的影响。
Sometimes the simplest things are the most powerful.
Every seed contains the potential to change a community.
The real reward in science is contributing to something greater than yourself.
写作的行为是一种自由的行为。