haggle 是最多用作一个动词，表示砍价。
bargain 是一个名词，也可以是动词。
bargain:
n. 交易，买卖，物美价廉的东西
v. 议价，交易，讨价还价
词形变化:
名词:bargainer 动词过去式:bargained 过去分词:bargained 现在分词:bargaining 第三人称单数:bargains
例句与用法:
1、 He made a satisfactory bargain with them.
他和他们做了一笔满意的交易。
2、 He bargained with them for the property.
他就财产与他们进行商议。
3、 The salesman refused to bargain over the price.
推销员拒绝讨价还价。
4、 She was a distinguished scientist and a gifted painter into the bargain.
她是一位杰出的科学家－－同时还是一位很有才华的画家呢。
5、 If you promote our goods， we will give you a good discount as our part of the bargain.
若你方经销我们的货物，我方愿给予你相当大的优惠作为回报。
6、 The leaders bargained away the freedom of their people.
领导人拿人民的自由来做交易。
7、 The exam was more difficult than I had bargained for.
这次考试之难出乎我的意料之外。
8、 Tom didn't bargain on his wife returning so soon.
汤姆没有想到他妻子会回来得这麽快.
haggle: [ 'hægl ]
v. 争论，杀价，杀下去
n. 杀价，讨论，争论
词形变化:
名词:haggler 动词过去式:haggled 过去分词:haggled 现在分词:haggling 第三人称单数:haggles
例句与用法:
1、 It's not worth haggling over a few pence.
为几便士争论不休实在不值得.
从中你可以看出很多区别吧！
