private account

例句：

1. 1. This private club is only for members of the aristocracy.
   这个私人俱乐部只对贵族成员开放。
2. 2.The private sector is responsible for 80% of all economic activity.
   私营部门负责所有经济活动的80%。
3. 3.He kept his private thoughts to himself.
   他把自己的私人想法藏在心里。