in the twenties和in one's twenties所表达的意思有什么区别.

In one's twenties,表示 是年华,意思是在他/她二十多岁时；
in the twenties 可描述的方面比较多,可否给个例句看看?She was a good-looking woman in the twenties.她二十多岁，风华正茂。