PRV

例句：

1. 1. I prefer to keep my opinions to myself.
   我更喜欢保持我的观点。
2. 2. He has a private room for meetings.
   他有一间私人会议室。
3. 3. The company is committed to providing a private education for its employees.
   该公司致力于为其员工提供私人教育。