It not easy being your age 为什么用being?

问题描述:

It not easy being your age 为什么用being?

句子的意思是:在你们这个年龄是不容易的.在这里it 是 形式主语 ,真正的主语是 being your age ,为了避免头重脚轻,因此把真正的主语后置,类似的还有:Seeing is believing 眼见为实 watching TV too much is bad for your eyes