Nonsmokers should avoid being in smoke-filled rooms.

不吸烟者应该避烟雾弥漫的房间里。

Imagine that you are a nonsmoker sharing a room with a smoker.According to the Coase theorem, what determines whether your roommate smokes in the room?

假设不吸烟的你和一个烟民同住一室，根据科斯定理，什么决定了你的室友是否室内吸烟？