for reference的中文意思麻烦告诉我

这样,学校可以凭借其所任用教师们显赫的资格证书名正言顺地向学生收取昂贵的学费.Marginal head:Headings or sub-headings arranged to appear in the margin for easy reference.
栏外标题:排在书页白边上的标题或副标题,它方便参考.We need a reference from your former employer before we can give you a definite job offer.
我们需要一份你以前的雇主提供的证明,不然我们无法确定是否给你这份工作.A note placed at the bottom of a page of a book or manuscript that comments on or cites a reference for a designated part of the text.
脚注放在书或手稿的页底的注释,对文中的标明的一部分加以评论或引出参考书目 The central registry shall cross-reference its records of notifications by Member and obligation
登记中心应按成员和义务相互对照其记录.