有: 5年 fifteen years先例: precedent; previous case tak ...可: approve援: pull by hand; hold无先例可援: have no precedent to go by有先例: precedented通例可援: usages can be quoted无例可援: have no precedent to go by无前例可援: have no precedent to go by有例可援: there is a precedent to quote.; with a precedent for that无先例可循: have no precedent go by没有先例: beyond example; without example未有先例的案件: case of first impression未有先例之案件: case of first impression未有先例的诉讼事件: first impression case你要我做的事有成例可援吗: is there a precedent for what you want me to do你要我做的事有前例可援吗: is there a precedent for what you want me to do先例: precedent; previous case taken as example 开先例 set a precedent; create a precedent; 有先例可援 have a precedent to go by; 为...创一先例 create a precedent for ...; 历史先例 historic precedent; 不乏先例。 there is no lack of precedents in this connection. 如果允许他这样做, 就会为别人开先例。 if he is allowed to do this, it will be a precedent for others有先前: prev previous开先例: create a precedent; set an example前例,先例: precedent无先例: beyond example先例, 榜样: a leading card先例，前例: precedent先例的: precedential
