( formal ) used to introduce a condition that must be agreed before sth else can happen :
They agreed to the changes on the understanding that they would be introduced gradually.
( formal ) used to introduce a condition that must be agreed before sth else can happen :
They agreed to the changes on the understanding that they would be introduced gradually.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005