your brain has two parts, the left and the right. the left part has nothing right, and the right part has nothing left~
你的脑袋分两部分,左半边和右半边.左半边没什么对的,右半边没什么剩下的~
利用了left 和 right 一词多义,用以讽刺别人头脑空空如也~再简单一点，行吗