He is in his sixties,___he has made up his mind to leave his son._英语解答

He is in his sixties,___he has made up his mind to leave his son.
请大家回答下我的两个问题:
1.为什么要用but呢?

人气：175 ℃　时间：2020-04-27 06:14:51

解答

but在这儿表示转折.
前半句是说“尽管他已经年逾六十了”
“然而,他仍执意要离开他的儿子.”