connected with the end of a project, a process, an investment, a period of time, etc. 後期的◆back-end royalties 後期版税◆back-end charges 後期费用
() used to describe a program or part of a computer system that is not seen or used by the user, especially in e-commerce 後台的（尤指电子商务中，用於描述不是用户所见或使用的程序或计算机系统部分）◆a back-end database 後台数据库