英语释义
1
n the social force that binds you to the courses of action demanded by that force; every opportunity, an obligation; every possession, a duty"- John D.Rockefeller Jr
2
n the state of being obligated to do or pay something
3
n a personal relation in which one is indebted for a service or favor
4
n a written promise to repay a debt
5
n a legal agreement specifying a payment or action and the penalty for failure to comply