I learned from his roommate that he had been in hospital for over a week.

从他室友那里,我知道他已经进医院一个多星期。

Joyce has been under a cloud since her roommate's bracelet disappeared.

自从室友手镯不见以后, 乔伊斯一直受到怀疑。

"You're not my roommate, you impostor!"

"不是我室友,是个骗子!"

He was as cross as two sticks when his roommate took his umbrella without getting his agreement.

他非常生气,为他室友未经同意就把他伞带走。

She is accused of murder and sexual assault in the death of her roommate Meredith Kercher back in 2007.

她被控在2007年谋杀和性侵犯导致其室友MeredithKercher死亡。

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?

假设不吸烟和一个烟民同住一室，根据科斯定理，什么决定室友是否在室内吸烟？