9. sample: a representative piece or item 样品

　　☆ Peter sent me a doll sample.

　　彼得给我寄了份洋娃娃的样品。

　　10. evaluation: to judge or calculate7 the quality 估价;评估

　　☆ Steve conducted an evaluation of the product.

　　斯蒂夫对产品进行了评估。

　　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 0.

　　我们会把价格降到100美元。

　　15. rock bottom price: lowest price 底价

　　☆ He said class="main">