4.3.2.3 Sentence translation from English to Chinese:

    1) One major reason for the popularity of B2B sales and services is nothing but the sheer volume. 

    B2B（企业对企业的电子商务）服务或销售之所以受到人们欢迎完全是因为它的激增的销售额。

    2) The buyer for a national chain of clothing stores, however, may order 5,000 pairs of shoes and 2,000 sweaters.

  一家全国性的服装连锁店的采购商可能会订购5000双鞋子和2000件毛衣。　

    3) B2B sales are also generated by providing a specialized product line or service not available to the general public. 

    B2B交易也通过提供一种普通大众不能享受的专门生产线或服务来产生。

    4) Several plastic injection molding companies would send sales representatives to promote their particular designs. 

 一些塑胶喷射造型公司可能会派出一批销售代表来推销他们独特的设计。

    5) Instead of simply focusing on business-to-business sales, modern corporations are conducting other financial transactions online.

 现代的公司会从事其他在线的商务交易，而不是只专门从事企业对企业的电子商务销售。

4.3.2.4 Sentence translation from Chinese to English

    1)  其实我们专营此项商品已有多年的历史了。(specialize in)

    In fact, we specialize in this with a long history.  

2)      随着电子通讯的发展，企业对企业电子商务已经显得更加重要。(take on) 

    With the growth in electronic communications, B2B has taken on even more   

 importance.

    3)  我们大家都感到伤心，而她却在又唱又跳。(while )

   We are all feeling sad, while she is singing and dancing.

    4) 这次会议讨论了如何开展这种新产品的推销工作。 （promote）

   The meeting discussed how to promote this latest product.

    5)  作为大学生，我们应该注重学习，而不是玩电脑游戏。（focus on, instead of）