Why knock on the door when you go out and enter the door

Updated on Enter the door 2024-07-18
2 answers
  1. Anonymous users2024-01-24

    This is a traditional virtue of the Chinese nation.

    It is also a polite gesture.

    It is also a sign of respect for others.

  2. Anonymous users2024-01-23

    In case someone is cheating inside, how embarrassing it is for you to go in, at least give them time to put on their pants.

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