She typed the report on her PC.她在自己的电脑上把报告敲了出来。

The price of a PC fell by an average of 25% a year.个人电脑的价格平均每年下降25%。

The PCs took her to the local station.警员们把她带到了当地警察局。

PC Keith Gate helped arrest the men.警员基思•盖特协助逮捕了那些男子。

That's not a very PC thing to say.这话有歧视之嫌。