一日三餐,不可缺少。当你饿了的时候就想要吃点东西,就是喃喃学话的孩子也会用一种不清晰的语言向大人要东西吃。出牧的羊群归来时,等候在家的羔羊也会发出一种亲切的叫声,呼唤着母羊快些回来哺育它们……。对自然界里这些普遍现象,大家都是非常熟悉的。人们每天劳 Three meals a day, indispensable. When you are hungry, you want something to eat, that is, a child who learns to learn something will also eat from an adult in an unclear language. When the shepherd’s flock returns, the lambs awaiting them will also make a cordial call, calling for the ewns to come back and feed them. We are all very familiar with these common phenomena in nature. People work hard everyday