1.as long as 只要；和…一样长
1.A:See that guy over there in the corner? He comes in every Thursday night around six and he just sits there, for hours.
B:It's odd. But there is not much we can do as long as he orders something that is.
2.A:Would you be interested in two bedrooms, one bedroom, or a studio?
B:It doesn't matter as long as it's close to the university.
birth certificate 出生证明
例句：I need to get a copy of my birth certificate．
3.brain n. 脑；智力
rack one's brains 绞尽脑汁(to think very deeply or for a long time)
例句：1.Julia racked her brains, but she still coundn't figure out what had really happened.
2.Rack your brains, maybe you can get some hints.
4.matter-of-fact adj. 实事求是的
as a matter of fact 事实上，实际上(in fact, actually; to tell the truth)
1.A:You haven't phoned Harry yet, have you?
B:As a matter of fact, I have.