討價的英文：
bargaining
參考例句：
Bid and asked
出價,討價,買入價和賣出價
bargaining是什麼意思：
n. 減價品，便宜貨；協議；另外，而且，也
v. 討價還價，商討條件
It was a fabulous bargain.
這是一筆極好的買賣。
They considered the possibility of bargaining with the enemy
他們考慮與敵人談判的可能性。
Make the best of a Bad Bargain
已然吃虧,盡力而為
Will you keep your side of the bargain?
你那一方能遵守協議嗎？
I snagged a bargain.
我突然碰到一樁好買賣。
