请帮忙翻译：I also know that Tom is older than jane but Mary isn't.
问题描述：
请帮忙翻译：I also know that Tom is older than jane but Mary isn't.
答
我还知道汤姆比珍妮年纪大。
玛丽比珍妮年纪小。
答
我也知道汤姆比简老,但玛丽没有( 比简老 ). 括号为省略的内容.
答
我也知道Tom比jane年长,但是比Mary年幼.