原文：I was with my father on a business-and-pleasure trip, and in

原文：I was with my father on a business-and-pleasure trip, and in our leisure hours we were having a wonderful time.
译文：我和父亲这次旅行，既为了公事，也为了游乐，因此玩得挺欢。
【正确答案】：
改译：我和父亲这次旅行，既为了公事，也为了游乐，有空的时候玩得挺欢。