Why buy a cow when the milk is free有什么内在含义?要详细点!我知道这是个谚语,但不知道含义．我朋友对我说这句话,但我不明白．

Why,it's a cow! Why buy a cow when the milk is free有什么内在含义?要详细点!我知道这是个谚语,但不知道含义．我朋友对我说这句话,但我不明白． Don't have a cow! 同义句 why don't you buy a pencil?why not buy a pencil对吗 he hadn't gone far when he knocked into a gig cow and fell he hadn't gone far when he knocked into a gig cow and fell Why don't you buy a scarf?（改为同义句）__________ buy a scarf? Why didn't he buy a ball?（同义句转换） ------- did he buy a ball ------? I can't decided___to buy a new bike or __a used oneA when ,findB whether ,to look forC how,look forD why,to look for 【英译汉】Why buy the cow when you can get the milk for free?要地道的汉语,不是直接翻译的,此句绝对玄机的,我想看看大家都的建议, what should i get my grandma for her birthday 、 -why __you ___a scarf A not buy B don't buy C don't to buy D not buy 谜语.英语的1 what is the time when a monster gets into your bed2 why do mother kangaroos hate rainy daywhat do frozen cow do 英语翻译1．Clean yours breath while it cleans your teeth2.A world of comfort3.You'd better under the Umbrella4.You don't close your eye when you drive a car.So why should you when you buy one 3道高一英语选择题1、He saw a boy and his cow ____ were gong down the hill.A.whichB.whoC.thatD.with which选C,Why?2、It was five o'clock in the afternoon____ they arrived at the hotel.A.sinceB.beforeC.thatD.when选D,为什么不选C呀?3、T but why ( )some bananas?A.not buy B.don't buy C.not you buy D.don't 为什么要选择A?说一下原因,谢 A:I don't have a computer. B:Why not buy ( )? A.it B.one解释 Why didn't you buy that dress? has a cow什么意思-my mother has a cow-why?-because i broke her favourite glass对话中的has a cow是什么意思