The best way to buy a stock is when it's cheap, and the best time to sell is when it's expensive.
仅仅知道如何使用工具是不够的;还必须了解它们何时适用。
The development of learning algorithms that can handle high-dimensional data is a major challenge in the field.
可持续发展不仅仅是一种趋势,更是我们对后代的责任。
I think it's important to take risks in life. If you don't take risks, you'll never grow.