我们衡量成功的标准不应只是生产了多少桶油,还应包括避免了多少排放。
The journey of a thousand miles begins with one step.
写作是重新找回自己声音的一种方式。
I don't believe in retirement. I believe in continuing to work as long as you're able.
数学的目标是使简单的复杂化,使复杂的简单化。