1、Lesson Eleven Key point: useful terms and definitions of e-commerceDifficult points: two different writing methods of adsLesson Eleven RequirementBy the end of this lesson, you should be able to have a good command of e-commerce terms given in the lessontwo different writing methods of adsBy the end
2、 of this lesson, you should be able touse search agents to perform research on the World Wide Webknow how to write a body copy of advertisements in two different methodsLesson Eleven The Challenges of Using Search Agents to Perform Research on the World Wide WebAbstract: This article introduces the
3、challenges of using search agents to perform research on the World Wide Web.Key words: search agents; research; information; internet; wwwLesson Eleven New Wordsnuggets n. (天然 )块金 ; 矿块sophisticate a. 复杂的relevancy n. 关系；贴切中肯navigate v. 航行retrieve v. 收回；恢复；追溯uncluttered a. 没有弄乱的 ； 没有不必要或不必须的东西的consump
4、tion n. 消费serendipity 一种假设的能够意外找到有价值的或合意的东西的天赋才能minimize v. 将 减到最少Lesson Eleven ultimately ad. 最后 keep track of了解in the eye of 在 心目中browse v.; n.浏览maximize v. 使增加或扩大到最大限度capitalize on v. 利用legitimate a. 合法的；正当的myth n. 神话albeit conj. 尽管；虽然ironic n. 讽刺；反语futility n. 无用；无益Lesson Eleven Sentence Explana
5、tions1.The power of a well-designed search interface applied to a highly-indexed database becomes apparent, when, for example, a single keyword such as “manager“ retrieves all related content with-out requiring the searcher to antici-pate possible synonyms, such as “white collar workers,“ or “super-
6、visors,“ etc.Lesson Eleven 例如，在不要求搜索者预先想到可能搜索出的同义词，如 “白领工人 ”、 “管理者 ”等情况下，键入 “经理 ”这样一个单独的关键词，想要搜索出所有相关信息，一种精心设计用于高端索引数据库的搜索界面就充分显示出其威力来了。Lesson Eleven 这是一个复合句，主句在前面，简化为：The power becomes apparent. 过去分词短语applied to a highly-indexed database做定语，修饰 inter-face。 when引起一个时间状语从句 ,简化为： when a single keyword
7、retrieves all related content. 介词 without引起一个短语,做状语 ,修饰谓语动词 retrieves, 动名词requiring引起的短语做介词 without的宾语。Lesson Eleven 2. Ultimately, whether something is right on target, or only slightly interesting remains in the eye of the beholder, while it is certainly legitimate to browse to see “whats out there,“ more often a searcher needs to maximize research time by finding sites that contain information that is highly relevant to their specific needs.Lesson Eleven 不管某些东西是非常切合目标的信息还是在旁观者眼中无足轻重的资料，尽管浏览 “whats out there“是无可非议的，最终，搜索者往往还得需要极大地扩展其搜索时间，寻找最大量含有其所需信息的网站。
