“討價還價”的英文怎麽說

1) Unions bargain with employers for better rates of pay each year.

2) My mother likes to bargain with hawkers. 小販

上篇: 野生菌油的做法大全 下篇: 可以請我的專家朋友幫我估計壹下我的萬文核桃的價格嗎？