So that means that we assume that it's better to have limbs and functioning limbs than not to have them.

这意味着，我们默认，有正常的四肢的生活,要比没有四肢的生活好过。

普林斯顿公开课 - 人性课程节选

When it comes to using your limbs and other basic functions, it is basically a "use it or lose it" situation, Gupta said.

CNN: The brain's amazing potential for recovery

In June a Fab Lab was shipped to Afghanistan, where it will make prosthetic limbs.

FORBES: Magazine Article

Since Kinect employs cameras to determine the position of various limbs, it can offer video calling and "reaction shots" as demoed in Microsoft's E3 press conference.

ENGADGET: Switched On: Token gestures