1.词性就不同 quickly是副词,如果你要说"购买东西快"就说"Somebody buys things quickly" prompt是形容词,副词是promptly 2.侧重点不同 quick指速度快,迅速 Good ware makes quick markets. 货好销得快. Call and ask them to be quick. 打电话叫他们赶快. She made a quick calculation. 她做了一次很快的计算. prompt是偏重于反应快,意思是敏捷的,立刻的,立即的 Could you make prompt deliery? 可以即期交货吗? She's always prompt to criticize other people's ideas. 她对别人想出的主意总是迫不及待地批评. He is always prompt in answering letters. 他总是迅速回复来信.
