The young climber carried out the amputation using a small,unsharpened knife.

VOA: special.2010.12.13

With it also being in mind that we can also help less disabled people, still severely disabled, for example with arm amputation, but perhaps less so.

同时，我们想我们也能够帮助到,那些伤残程度不像他们这么严重，但是也属于较重伤残的病人，比如胳膊被截肢，或者稍微轻微一些的病人。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选