keep an open door

例句：

1. 1. Please keep an open door for me when you're not busy.
   当你不忙的时候，请为我留一扇敞开的门。
2. 2. The manager kept an open door to communicate with his employees.
   经理保持一个敞开的门来与员工沟通。
3. 3.We need to keep an open door and encourage our team members to share their ideas.
   我们需要保持一个敞开的门，鼓励我们的团队成员分享他们的想法。