男女: male-female, male and female...
有没有: (before a noun) Do (you, they etc) have..., Is there a..., (before a verb) Did (you, they etc) (verb, infinitive), Have (you, they etc) (verb, past participle)...
倘若: provided that, supposing that, if...
延期: to delay, to extend, to postpone, to defer...
播放: to broadcast, to transmit...
表态: to declare one's position, to say where one stands...
拉: to pull, to play (a bowed instrument), to drag, to draw, to chat, (coll.) to empty one's bowels...
前台: stage, proscenium, foreground in politics etc (sometimes derog.), front desk, reception desk, (computing) front-end, foreground...
保质期: date of use (on foodstuffs), best before date...
追溯: to go upstream, to trace sth back to, to date from...
