舞厅: dance hall, ballroom...
反过来: conversely, in reverse order, in an opposite direction...
出差: to go on an official or business trip...
交接: (of two things) to come into contact, to meet, to hand over to, to take over from, to associate with, to have friendly relations with, to have sexual intercourse...
托: to trust, to entrust, to be entrusted with, to act as trustee...
请问: Excuse me, may I ask...?...
显出: to express, to exhibit...
成效: effect, result...
完整: complete, intact...
礼节: etiquette...