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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。
Quality is never an accident; it's always the result of intelligent effort.
幽默是与孩子建立联系的最佳方式。
过去是一个异国他乡;他们做事的方式不同。
The problem with people who have no vices is that generally you can be pretty sure they’re going to have some pretty annoying virtues.