The spirit of moderation should also be the spirit of the lawgiver.
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 problem is not that people are taxed too little, the problem is that government spends too much.
可持续性不是一种选择,而是我们行业未来的必需品。