If you say that someone is PC, you mean that they are extremely careful not to offend or upset any group of people in society who have a disadvantage. PC is an abbreviation for (缩略=) 'politically correct'.
行业词典
计算机: = Personal Communication Services,个人通信业务; = Preferred Character Set, 优选字符集; = Priority Control Sequence, 优先级控制序列; = Process Communication Supervisor, 进程通信管理[监控]程序; = Process Computer System, 过程计算机系统;