生物圈是一种具有宇宙特征的行星现象。
Collaboration across industries and borders is essential to solving the complex challenges of climate change.
有人问作家张晓风:我们怎样才能够爱一个人而不受伤?张晓风如此作答。
The true genius shudders at incompleteness — and usually prefers silence to saying something which is not everything it ought to be.