求解释saying could and

Saying is one thing and doing is_____ 用英语解释句子1.Some dinosaurs had wings and could fly.2.Some dinos and you是什么意思?求详细解释 hen and duck求中文解释 he without saying anything and went away还是he without saying you know what the fucka i'm saying粤语解释 as the saying goes用中文怎么解释 saying is one thing and doing is another 1.Saying is one thing and doing is_______ UFO scientists and many people belived tjis saying.Some peop 初三英语语法习题,求解释_________ ,we could not have finished the work o 求大神解释could you tell me where you bought the cool coat?是对的