Now, there are a couple of ways to think about indebtedness and I'd like you to tell me which one is correct as applied to the nation.

那么，究竟是什么导致国家债台高筑呢,我有两套思路，麻烦你们告诉我,哪个更能说明现状。

斯坦福公开课 - 经济学课程节选

But now that's a two bedroom and they each pay about two thousand a month,

那套房子有两间卧室，每间卧室每月2000美金，

苏玛区的公寓 - SpeakingMax英语口语达人

So before a cell enters mitosis it has to have synthesized its DNA so it has two copies of all of its chromosomes.

所以在进入有丝分裂之前,细胞必须先合成DNA,所以它含有两套染色体拷贝

耶鲁公开课 - 生物医学工程探索课程节选