翻译5.i have two sons.The elder son is four years older than the younger one.
问题描述：
翻译5.i have two sons.The elder son is four years older than the younger one.
答
我有两个儿子。大儿子与小儿子相差四岁
答
我有俩儿子,大儿子比小儿子大四岁.