引力解释了行星的运动，但它不能解释谁让行星运动。

The speed of the leader determines the rate of the pack.

在被记录之前，什么都没有真正发生过。

"The unexamined life is not worth living."

A vida é feita de escolhas, e cada escolha é uma renúncia.

What we need to do is to ensure that Chinese car brands have a place in the global market.

没有野生动物的森林就像没有音乐的交响乐。

Sometimes the most unexpected findings lead to the greatest advances.

度过生活的唯一方法就是笑着度过。你要么笑，要么哭。我更喜欢笑。哭会让我头疼。