11. is acceptable: to agree with 可接受
    ☆ This kind of attitude is simply not acceptable.
    这种态度就是不能接受。

    12. place order: to request a product 订货；下订单
    ☆ He would like to place an order.
    他想下订单。

    13. unit price: a price for a large amount 单价
    ☆ Thirteen dollars is the unit price.
    单价为十三美元。

    14. reduce: to make smaller 减少
    ☆ We will reduce the price to $100.
    我们会把价格降到100美元。

    15. rock bottom price: lowest price 底价
    ☆ He said $1.00 was the rock bottom price.
    他说底价是1美元。

    16. deliver: to carry and give out  运送；发货
    ☆ He needs to deliver a pizza to her house.
    他在送个比萨去她家。