translation.en: And I think it's particularly painful for us now in the West in the grips of what I sometimes think of as a Control-Z culture -- Control-Z like the computer command, undo.
translation.zh: 我想这对于西方人来说 这种Control-Z文化是 无比痛苦的－ Control-Z就是电脑键盘上的命令 撤消