PX

例句：

1. 1.The PX was a surprise for me.
   这个PX对我来说是个惊喜。
2. 2. I need to buy some PX for my new project.
   我需要买一些PX来我的新项目。
3. 3.The PX is located in the city center.
   PX位于市中心。