我给儿子用棉毛布缝制了一条罩裤,可是前后的颜色稍有差异。为了让儿子喜欢,我给儿子摆了这条裤子的许多优点:布软软的很暖和,穿上它玩起来很方便等等。3岁的儿子听了,高兴地穿上这条裤子上幼儿园去了。当天,我把儿子从幼儿园接回家,儿子进门的第一件事就是三下两下脱裤子,并把脱下的裤子狠狠地扔到角落里。我奇怪地问:“这条裤子脏了?”“没有。”“那为什么脱掉?” I gave my son a piece of cotton cloth pants, but before and after the color slightly different. In order to make my son like it, I gave my son many advantages of this pair of pants: soft cloth is very warm, wear it to play it easy and so on. 3-year-old son heard, happy to wear this pair of pants went to kindergarten. The same day, I took my son home from kindergarten. The first thing my son did was to take off his pants twice and put his pants off in the corner. I asked strangely, “Is this pants dirty?” “No.” “Then why take off?”