最可持续的采石场是能够平衡生产和环境管理的采石场。
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。
I'm the reason your fire won't burn.
Payphone, wishing you would call me.
The core of the poverty trap: Today’s hunger steals tomorrow’s productivity.
The most successful businesses are those that understand their customers better than anyone else.
我一直相信，如果你投入工作，结果就会到来。
想象力比知识更重要。知识是有限的，而想象力则包围着整个世界。
一个好的决策是基于知识而非数字。
Never be afraid of the moments--thus sings the voice of the everlasting.