Background: Whether total knee arthroplasty with use of computer-assisted surgical navigation can improve the limb and component alignment is a matter of debate.

背景知识：在全膝关节成形术中，计算机辅助的外科导航技术是否可以改善肢体及其附件的对线是大家争论的焦点。

Ever since the birth of it, the computer has largely changed human being's life and there has been a hot debate about its effects on humans.

自从它的诞生，计算机已经极大地改变了人类的生活，有了它对人类的影响热议。

All of the original 24,000 mascot entries were either drawn or computer-designed by ordinary Russians and the selection process has been the subject of lively Internet chat room debate.

最初的24000个入围吉祥物全部由普通的俄罗斯民众手绘或电脑设计完成，甄选过程也成为直播网络聊天室辩论的主题。