“柠檬问题”指的是当卖家比买家掌握更多信息时,评估产品质量的困难。
科学是照亮我们前进道路的火炬。
We all have our own little secrets, our own little shames.
I’m a very positive thinker, and I think that is what helps me the most in difficult moments.
每一个挑战都是学习和成长的机会。
The best way to predict the future is to invent it.