妈妈过去常会问我身体最重要的是哪个部分。几年来,我一直在猜想我认为正确的答案。在我年轻些的时候,我认为声音对人类来说很重要,所以我说:“是我的耳朵,妈妈!”而妈妈却说:“不对,世界上有很多人都是聋子。不过你还要继续想这个问题,我不久后还会问你。”直到数年过后,她才 My mother used to ask me which part of my body is most important. For several years, I have been guessing that I think the correct answer. When I was younger, I thought that sound was very important to humans, so I said, “It’s my ears, mother!” And my mother said, “No, many people in the world are blind people. But you still have to Continuing to think about this issue, I will ask you soon." Until after several years, she was