WhichofthefollowingtechniquesisNOTusedintheGrammar-TranslationMethod?________
D
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翻译:Sineethepremiumvarieswiththescopeofinsuranee,extrapremiumisforbuyer'saeeount,shouldadditionalrisksbecovered.
Ourpaymentterms(付款方式)are___,irrevocableletterofcreditforthefullinvoicevalue.()