Retroactivity Clause追溯条款
protective retroactivity保护性溯及
the retroactivity溯及力
favorable retroactivity有利溯及
rational retroactivity理性溯及
retroactivity of payments[会计] 补付款项的追领;补付英语;补付款项的追领英语
retroactivity of recognition承认的溯及力
doctrine of retroactivity溯及既往原则