先付的用法和样例：
例句
-
我们先付给你一半钱，剩下的一半等你干完了再付。
We'll pay you half up front and the other half when you've finished the job. -
只要你预先付款，我们就不收你送货费。
As long as you've paid in advance we won't charge you for delivery. -
我会给你一磅作为先付部分。
I will give you a pound in part payment. -
我先付你20英镑。
I'll give you 20 on account. -
你要是现在先付清咱们两人的帐，事后咱们俩再细算。
If you pay for both of us now, we can settle up later.
