有争议的问题是, 公共商品或外在化商品都隐人了荒野保护的问题中.Arguably, both are involved in wilderness preservation.而且, 也出现了外在化问题.Furthermore, externalities are also present.正如前文所述,当出现公共商品或外在化商品时, 市场机制就会失去效用.As we saw earlier, the market mechanism b...

“外在化”的英语可以翻译为：externality ...