Could you give me a discount？

    能给我个折扣吗？

    Are these clothes on sale ？

    这些衣服打特价吗？

    Is the price negotiable ？

    这价钱可以商量吗？

    How about buy one and get one free？

    买一送一怎么样？

    Can you give me a better deal ？

    可以给我更好的价钱吗？

    I'd buy it right away if it were cheaper.

    便宜一点的话我马上买。

    The price is beyond my budget.

    这价钱超出我的预算了。

    I'll give 500 dollars for it.

    五百块我就买。

    That's steep， isn't it ？

    这价钱太离谱了吧？

    It's too expensive. I can't afford it.

    太贵了，我买不起。