For example, please answer which part of these three sheets is unsound.

First of all, please apologize for the large number of complaints from users and take action on this matter as soon as possible. If you remain silent, it is disrespectful to all users, and it is not good business. First of all, please send these two sentences, "Apology for the concern and inconvenience caused," and "Future response," to all users as soon as possible! Ignoring is not an action you should take.