single is simple,doube is

single is simple,double is trouble doubie is trouble,single is simple Single is simple,double is trouble. single is simple. double is trouble是什么意思? ‘Single is simple,double is trouble,triangle is terrible!’ Single is simple,drouble is trouble的是什么意思 single is simple,double is trouble,triangle is terrible到底怎么翻 Single is simple,double is trouble!If you want sth,please wo simple is the best he is a simple Love Simple is BesT Simple is Best Simple is Difficult的中文意思