Market design is an ongoing experiment—what works today may need adjustment tomorrow.
市场设计是一个持续的实验——今天有效的明天可能就需要调整。
I think goals should never be easy, they should force you to work, even if they are uncomfortable at the time.
妈妈必须同时喂养孩子的身体和精神,且精神上的需求更重于身体的需要。