nonsmoker

1.Nonsmokers should avoid being in smoke-filled rooms.

吸烟者应该避免呆在烟雾弥漫的房间里。

2.5.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在室内吸烟？