The lemons problem refers to the difficulty in assessing the quality of a product when the seller has more information than the buyer.
“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。
The most successful societies in the world are those that have combined the strengths of the state and the market.
I think the most important thing in life is to be happy.