电子商务英语期末复习要点

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1、《电子商务英语》期末复习要点：1．第五页：注释1，2，3，4，5，62．第27页：注释1，2，3，4，5，6，9，10，11，123．第31页的练习44．第46页的注释2，3，5，8，11，145．第51页的练习46．第63页的注释3，5，10，12，16，197．第77页的注释1至128．第109页的注释2，4，6，9，109．第124页的注释6，710．第140页的注释1，2，15，1711．第161页的练习4上述英语电子商务术语应知道缩写词的英语全称书写和汉语翻译重要阅读课文：Unit8课文A及其124页的练习1，Unit9课文A及其141页的练习1Passage1S

2、earchingbykeywordisthemostcommonmethodofusingasearchengine,buttheproblemwithkeywordsaretherelativelyimpreciseresultsandthereturnofalotofirrelevantinformation.Keywordsmayhavemorethanonemeaningandsearchresultsmaybefoundonlybyusingasynonymofthekeyword.Themethodofbrowsingontheotherhandtakestoo

3、muchtofindtherelevantinformation.I)irectorieslikeYahootrytocircumventtheproblem,butthemanualprocessofclassifyingmaterialonthewebtakesuptoomuchtime,resultinginveryfewsearchresults,asnoteverythingonthewebcanbeclassified.Thereforenewparadigmsofsearchingareneededaswellasnewsoftwarethatisableto

4、categorizewebsitesautomatically.ThemajorityofsearchenginescomefromtheUnitedStatesandhavespecializedinEnglishresourcesandinformationreflectingtheAmericanculture.PeoplewhodonotspeakEnglishorwhoarenon-nativespeakershavethereforemanydisadvantagesontheweb.Thecentralizedapproachtoinformationretr

5、ievalhasextremedifficultyincopingwiththemultilingualandmulti-culturalnatureoftheinformationsociety.TheInternethasbecomeasuccessthroughouttheworld,buttheAmericansearchenginesoperatewithaUS-centriccompanystructureandtendtoconcentrateupontheEnglishlanguage.Althoughmanysearchengineshavesubsidi

6、ariesinmanyothercountries,likeJapanorItaly,thewaytheinformationispresentedistheAmericanwayandmaynotreflectthelogicofthepeoplewhoareusingit.NationalsearchenginesinRussiaorFrance,forexample,havetodealwithfarsmallersetsofinformationandspecializeintheculturalandlinguisticenvironmentswhichtheyk

7、nowbest.TheirdisadvantageisthatthequeriesareinRussianorFrenchandthesearchresultscontainonlyasmallsubsetofpossibleresultsontheweb,astheyarerestrictedtothelanguage.ThisstronglyreducesthepossibilityofusingtheWebasasourcefortheworldwidediffusionofinformation.Large