许多事情做的时候会有效果，但并无效率，如何设计会使得市场产生最大的效率呢？In fact, experts say the theory explains why a version called a double auction is often the best way to trade. In a doubl

许多事情做的时候会有效果，但并无效率，如何设计会使得市场产生最大的效率呢？Many things perform effectively but not efficiently. To be efficient means to produce a desired effect with as little was...