在数学中，你不是理解事物，你只是习惯了它们。

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

On the path of science, failure is the norm, but each failure brings us closer to success.

煤炭开采的创新不是要重新发明轮子，而是要让轮子更高效、更环保。