The story of human evolution is a story of migration and mixing.
The only way to tell the truth is to speak with kindness. Only the words of a loving man can be heard.
柠檬问题发生的原因是卖家比买家更了解产品,从而导致市场失灵。
译文:顺着可以利用的形势,寻求容易实现的道路。