顾客:
I cannot afford this calculator.



这个计算器我买不起。
店员:
What price are you willing to pay?



您愿意出多少钱呢?
顾客:
I can’t give you more than 100 yuan.



不多于100元。
店员:
I’m sorry, Sir. 300 is the lowest price we can give without losing money.



对不起,先生。300元是我们的保本价格。
顾客:
I will not buy it.



我不买了。
店员:
Please come again.



欢迎您再来。