牛奶是挺好喝而且挺有营养的食品,所以,过上小康生活的人们,大多离不开它。牛奶是奶牛产的,奶牛的功劳是客观存在的——鲁迅就曾经赞扬说吃进去的是草,挤出来的是牛奶。但是,人们在喝牛奶的时候,并没必要每喝一口就要念叨一句奶牛,更没有必要每喝一次牛奶还要问一下这瓶牛奶是哪 Milk is quite good to drink and very nutritious food, so people who live the well-to-do life, most of them inseparable from it. Milk is produced by cows, and the credit of cows is an objective reality - Lu Xun once praised it as eating grass and squeezing out milk. However, when people are drinking milk, it is not necessary to read a cow for every drink, but it is not necessary to ask for the milk once every drink.