duty和obligation的区别?

duty和obligation的区别? responsibility,obligation和duty的区别 英语区别,Obligation和responsibility的区别. obligation,responsibility,duty,liability有什么区别?分别举几个常见的搭配,谢谢 responsibility和 duty 的区别 moral moral duty和obligation有什么不同? tax和duty之间的区别是什么? tax,duty和customs的区别? responsibility和duty之间的区别是什么? duty 和tarrif 的区别如题 contain 和 include 的区别 responsibility和 duty 的区别 单词responsibility和obligation有什么区别啊? 这三题的答案是?区分duty,obligation,responsibility1、Parents have a legal _______ to ensure that their childen are provided with efficient education suitable to their age.A、duty B、obligation C、responsibility2、It is my ______ to obligation的意思 obligation的意思 duty和chores的区别chores 有日常事务；例行工作 的意思它和duty 用法上有什么区别呢. tax free 与duty free的区别 请问“义务”responsibility,duty ,bound的区别