带着问题看新闻：
?疫苗生产商的股价出现了什么变动？
?“知识产权”用英文怎么表达？
?“提倡”在英语中如何表达？
Americahaslongbeentheglobalprotector-in-chiefofintellectualproperty.ButonMay5thitsoughttotearuptherulebook（打破陈规）.“Theextraordinarycircumstancesofthecovid-19pandemiccallforextraordinarymeasures,”saidKatherineTai,theUnitedStatesTradeRepresentative（贸易代表）.
Tohelpbattlethepandemic,theadministrationofPresidentJoeBidensaiditsupportedwaivingsomeintellectual-propertyprotectionsforvaccines.Jawsdropped（让人目瞪口呆的）—alongwiththesharepricesofvaccinemakers（疫苗生产商）.
Thewaiver’sadvocatesarguethatapandemicisnotthetimetobethinkingaboutprofits.Moreover,existing
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