translation.en: And this is the type of mechanism that the Jaipur Foot Organization was using when they were looking for a better knee, and I just wanted to give you a sense of what a leg system looks like, because I'm showing you all these knees and I imagine it's hard to think how it all fits together.
translation.zh: 而且这就是斋浦尔足组织 在寻找更好的假膝时正在使用的机械， 我想让大家知道一下整个腿部系统是如何工作的， 因为我仅仅是在把这些假膝展示给你们看， 仅凭这些你们可能很难想象它们是如何与腿部结合在一起。