柠檬问题是指买家无法确定产品质量,因此只愿意支付反映平均质量的价格。
The best teacher in life is experience.
We are all alone in the universe, and the only thing that can bridge the gap between us is love.
我远行万里来看世界的奇迹,但真正让我惊讶的是我在旅途中遇到的人。
Success is not the key to happiness. Happiness is the key to success.
Reputation is an idle and most false imposition: oft got without merit, and lost without deserving.