讨价的用法和样例：
例句
-
还要有一番讨价还价才能达成协议。
There will be a lot of wheeling and dealing before an agreement is reached. -
经过大量的讨价还价，他们双方才设法达成了协议。
After a great deal of haggling they managed to strike a bargain. -
经过激烈的讨价还价，我们终於达成了协议。
After much hard bargaining we reached an agreement. -
工会为缩短工作周而（与资方）讨价还价。
The unions bargained (with management) for a shorter working week. -
推销员拒绝讨价还价。
The salesman refused to bargain over the price.
