private wire service

例句：

1. 1.This is a private meeting between the two leaders.
   这是两位领导人之间的一次私下会晤。
2. 2.The company has a private lab for testing its products.
   该公司有一个用于测试其产品的私人实验室。
3. 3.Private schools are becoming increasingly popular in China.
   在中国，私立学校越来越受欢迎。