I think that the underlying problem is education, unemployment and bad housing.

我认为深层的问题在于教育、失业和糟糕的住房条件。

I think that the vice president was in the loop.

我认为副总统是局内人。

I think thats a very sensible idea.

我看这个主意很妥当。

In retrospect, I think that I was wrong.

回首往事，我觉得当时我错了。

I think thats my cue to explain why Im here.

我想这就是要我解释一下我为什么到这里来。