private automatic branch exchange

例句：

1. 1.This is a private club that members can only use within the premises.
   这是一个只有会员才能使用的私人俱乐部。
2. 2. The company has decided to keep some of its products private until they are ready for public release.
   公司决定保留一些产品直到它们准备好公开发布。
3. 3. The private sector is responsible for providing jobs and economic growth in many countries.
   私营部门在许多国家提供就业机会和经济增长。
4. 1.The car's automatic transmission allows for smooth driving without having to manually shift gears.
   汽车的自动变速器允许无手动换挡地平稳驾驶。
5. 2. The machine was designed to be automatic, so it doesn't require any human input.
   这台机器被设计成自动的，所以不需要任何人工输入。
6. 3. The new software is fully automatic, making it easier for users to manage their finances.
   新的软件是完全自动的，使用户更容易管理他们的财务。