这个污水处理厂是通过政府与企业间的公私合营模式建设的。

The wastewater treatment plant was constructed under a ___PPP between the government and a private company.

根据购买力平价理论，在这些国家中，1美元的实际购买力差异很大。

According to ___PPP, the actual purchasing power of $1 varies greatly among these countries.

这个网络连接使用了点对点协议来确保数据传输的稳定性。

This internet connection uses ___PPP to ensure stable data transmission.