What do you mean by opening the door to drain water?

1, open the door: the store opens the door; Water leakage: when placing or placing things, follow the five elements of water. Opening the door and releasing water is very common in the yellow calendar, which is a professional term in geomantic omen to avoid misfortune.

2. Opening the door to release water in sports competitions is to deliberately preserve the strength in the competition, so that the other side or intentionally follows certain principles to compete, which makes it impossible for sports competitions to objectively reflect the strength comparison between the two sides.