Financial regulation must keep up with market changes but avoid excessive intervention.
I'm trying my hardest, but I can't have everything. I can't have the looks, the rapping ability, the scoring, and the free throws.
The best fertilizer? A farmer's footsteps in the field.
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。
解释:药物之间有阴阳、子母、兄弟等配对关系,说明药物配伍的原理。