富人的身体就像高级棉枕头，又白又软又空。穷人的身体就像石头，又硬又粗糙，满是棱角。

The reality is: sometimes you lose. And you're never too good to lose. You're never too big to lose. You're never too smart to lose. It happens.

The challenges of climate change demand urgent action from the scientific community.

花开时可以折取就要及时折取，不要等到花谢了只能折取空枝。