我不需要任何人的激励。我自己激励自己。
I don’t need motivation from anybody. I’m self-motivated.
The camera is like a weapon; it's dangerous if you don't know how to use it.
真正的创新来自于对用户需求的深刻理解。
追随你天然的好奇心，解决自己的问题，学习只是相关的副产品。
In international trade, a country should specialize in the production of goods for which it has a comparative advantage, and trade with other nations to maximize overall economic welfare.