在我们签署合同之前，有几个问题我们需要澄清。

Before we sign the contract, there are a few points we should ___clear ___up.

让我试着解释清楚你对新政策的困惑。

Let me try to ___clear ___up your confusion about the new policy.

这两个朋友终于谈了一次，化解了彼此间的误会。

The two friends finally talked and ___cleared ___up their misunderstanding.