你不能只问顾客要什么,然后想法子给他们做什么。等你做出来,他们已经另有新欢了。
The duty of a true patriot is to protect his country from its government.
科技与可持续发展的交汇处将是下一代财富的创造地。
Mathematics is not a spectator sport. You have to do it to understand it.