responsibility 和obligation都是可数名词吗?

responsibility responsibility responsibility和 duty 的区别 commitment和responsibility的区别? Assume responsibility for 和Accept responsibility for的区别 请问accountability 和 responsibility 有什么不同? responsibility,obligation和duty的区别 liability和responsibility有什么区别? responsibility和duty之间的区别是什么? responsibility 和obligation都是可数名词吗? 英语区别,Obligation和responsibility的区别. charge 和 responsibility 名词责任 区别? take responsibility和take on responsibility 的区别是什么注意问的是区别 contain 和 include 的区别 responsibility和 duty 的区别 单词responsibility和obligation有什么区别啊? turnkey services turnkey services ,turnkey project 和 turnkey responsibility commitment(作名词时)和responsibility的区别? be responsibility of（请参考初二牛津英语U5Reading A）和 be responsibility for 的区别