诗是一个内在的形象，它浮现为文字。

Collaboration across borders is key to solving global food challenges.

以太网被设计成简单、廉价且能够处理广泛应用的网络。

只有充分体验痛苦，我们才能从中痊愈。

It is common sense to take a method and try it. If it fails, admit it frankly and try another. But above all, try something.

计算复杂性的美在于它能够根据问题的固有难度对问题进行分类。