PPPA

例句：

1. 1. PPPA is a common abbreviation for "please pass the parcel."
   PPPA是"请传递包裹"的常见缩写。
2. 2. The company's policy on PPA is to ensure fair competition.
   该公司对PPA的政策是确保公平竞争。
3. 3. The new product launch was accompanied by a press conference and a PPA presentation.
   新产品发布会伴随着一次新闻发布会和一次PPT演示。