a good bargain的用法和樣例：
例句
- To run a restaurant is a lucrative business.
經營餐廳是賺錢的生意。 - She answered him in monosyllables, but he chattered away, delighted at having driven a good bargain with a man in Blackstable.
她只是用些單音節的詞來回答他的話，他還是喋喋不休地說下去，為在布萊克斯達布爾跟一個人成交了一筆賺錢的生意而感到高興。 - He knew a good bargain when he saw one.
他很會識別便宜貨。 - I got this cheap at a department store sale.
我在百貨公司特價廉售時買到了這件便宜貨。
