single is sumple double is trouble

题目

single is sumple double is trouble

答案

应该是Single is simple,double is trouble吧?
single is simple 一个是简单
double is trouble 两个是麻烦
这里意思是说,单身很简单,两个人（结了婚）很麻烦.
通常是拿来讽刺婚姻的