translation.en: I was speaking to a group of about 300 kids, ages six to eight, at a children's museum, and I brought with me a bag full of legs, similar to the kinds of things you see up here, and had them laid out on a table for the kids.
translation.zh: 我曾经和一群大约300人的六到八岁的孩子们 在儿童博物馆交谈 我随身带着一个装满义肢的包 和你们在这里所看到的相像 然后我把它们摆在一个桌子上，给孩子们看