private law

例句：

1. 1.The private club is only for members of the highest social status.
   这个私人俱乐部只对社会地位最高的人开放。
2. 2. He has a private office in the building.
   他在大楼里有一间私人办公室。
3. 3.Private schools are often more selective than public ones.
   私立学校通常比公立学校更具有选择性。