How to write the group announcement of mahjong group

Welcome to join the mahjong group! This group aims to provide a friendly and harmonious mahjong exchange platform. I hope everyone will abide by the following rules: respect others, and prohibit uncivilized behaviors such as abuse and malicious attacks. Advertising, marketing and other content unrelated to mahjong are prohibited. Make rational use of group resources to avoid frequent screen swiping and irrelevant information. We will hold online mahjong competitions regularly. Welcome everyone to participate actively! Please try to use civilized and friendly language when communicating in the group, and promote the improvement and communication of mahjong technology with a pleasant atmosphere. If you have any questions, please feel free to contact the administrator or raise them in the group, and we will try our best to answer and improve them.