She is in her early twenties 其中early twenties 还有别的写法吗?

问题描述:

She is in her early twenties 其中early twenties 还有别的写法吗?
请问可以写成early 20?

early xx-------xx年初(某个年头初期的写法)
early xxs--------xx岁出头的时候(某个年龄段最初几年的写法)
你的那句话里的early twenties可以写成early 20s.