clean bill的用法和樣例：
例句
- We've drawn a clean draft on you for the value of this sample shipment.
我們已經(jīng)開(kāi)出光票向你方索取這批貨的價(jià)款。 - There are two kinds of international collections, clean and documentary.
國際托收有兩種，即光票托收和跟單托收。
詞匯搭配
- clean bill of health 無(wú)疫證書(shū)(無(wú)罪的證明...
