习惯上,人们把屁股划为“黄色”一类,这是首先须要澄清的。它不是性器官,不直接承担生育的义务。男人与女人屁股的差别,即所谓副性特征,亦实在不很明显,远不及乳房,喉结,甚至头发。之所以落到今天这样一个不尴不尬的境地,完全是受生殖与排泄部门的株连。长期的云遮雾障,背后搞小动作,神 Traditionally, people have classified buttocks as “yellow”, which is the first thing to be clarified. It is not a sexual organ and does not directly bear the obligation to reproduce. The difference between a man’s and a woman’s buttocks, the so-called secondary sex trait, is also not very clear. It is far from breasts, Adam’s apple and even hair. The reason why today falls into such a situation that is not embarrassed and completely affected by strains of the reproductive and excretion departments. Long-term cloud cover fog barrier, engage in tricks behind, God