外經(jīng)貿(mào)英語(yǔ)函電2023章節(jié)測(cè)試答案_外經(jīng)貿(mào)英語(yǔ)函電超星爾雅答案1.1導(dǎo)入1、【多選題】According to the successful salesperson Summer, what are the principles we should follow in business writing?A、politenessB、correctC、c...