With a classic public good, such as street lighting, one person’s usage does not affect anyone else.

标准的公有物品，例如路灯，一个人的使用并不影响其他人。

youdao

With a classic public good, such as street lighting, one person’s usage does not affect anyone else.

标准的公有物品，例如路灯，一个人的使用并不影响其他人。

youdao