As is often the case with human beings, many animals sleep a lot when young, but sleep much less when they get older.
2
当孩子们年幼时,需要依靠家庭满足财务需求,而收入不高的家庭很难购买足够的人寿保险来保护母亲和孩子。
When the children are young and depend upon the family for financial needs, families with modest incomes have difficulty providing enough life insurance to protect the mother and the children.