Help me to translate this sentence~
问题描述：
Help me to translate this sentence~
In the short-term,imperialism was a very profitable foreign policy which came at the expense of the foreign regions where it was being practiced.
答
简言之,帝国主义是指在他国疆域实施的,以牺牲他国利益为代价并且有利于本国利益的外交政策.