In America, B.O. ( body odor) is socially unacceptable. 在美国,体臭在社交上是不被接受的。
Plus she's got full-on B.O. 而且她绝对有体臭。
We now valuate project by quota management mode which is very different from B.O. Q mode adopted by international rules. 我国的工程计价模式采用定额管理模式,与国际通行的工程量清单模式有很大差别;