The reality is far more complex, of course. Markets can function only within an institutional and legal framework that includes property rights, enforcement of contracts, quality and information controls, and many other rules to govern transactions.
当然实际情况远比这个要复杂。市场只有在制度及法律框架下才能起作用，其中包括产权、合同的强制执行、质量和信息控制及许多其它用来管理交易的法规。