有關(guān)外貿(mào)英語(yǔ)情景對(duì)話短文一 A：I understand we will need seven air conditioning units on the two floors.That's what you think, yes?我了解我們需要七部空調(diào)機(jī)在兩個(gè)樓面。你是這個(gè)意思，對(duì)吧?B：Yes. You c...