In LOL's circle, ky immunity refers to the surfing privilege of people in a certain circle, that is, people who make remarks completely unrelated to the topic under certain topics will not be scolded.
In the circle of the Three Kingdoms Kill and the Original God, ky immunity refers to the right to be unable to complete the fitness program due to physical or personal reasons. In order to protect consumers' rights and interests, many gyms have set up a ky exemption system, which allows members to complete fitness programs free of charge or at a discount under certain circumstances.
The above information is for reference only. You can consult professional books related to ky immunization, or consult professionals for more accurate information.