If a good is non-rivalrous but excludable, a private provider of that good can only remain in business by charging the users a positive price.

如果某货物产品没有竞争对手但量够多，一个该产品的私人供应商只有通过付用户确实的价格才能维持他的生意。

youdao

If a good is non-rivalrous but excludable, a private provider of that good can only remain in business by charging the users a positive price.

如果某货物产品没有竞争对手但量够多，一个该产品的私人供应商只有通过付用户确实的价格才能维持他的生意。

youdao