Two twins went to the kindergarten.“Who's the elder and who's the younger one?” asked a nurse. One of them winked and said，“Elder brother，don't tell her.”

　　两个双胞胎走进幼儿园。“你们两个谁大谁小?”保育员问。其中的一个眨了眨眼睛说，“哥哥，不要告诉她。”