小时候,我做过一件让自己感到非常后悔的事。我从来没有对谁讲过这件事,它一直深深地埋在我的心底。那是我上六年级的冬天。有一次,妈妈把家里存的旧报纸、破瓶子卖给了收废品的老大爷,换来了五元钱。我一瞧, As a kid, I did something that made me feel very sorry. I never told anyone about it, it has been deeply buried in my heart. That was my sixth grade winter. Once, my mother sold the old newspaper and broken bottle she had at home to the old man who received the waste, in exchange for five yuan. I'll see