关于权限的翻译，请大家帮忙

free meeting: under this mode, common user can apply for meeting control freely, user have the rights of broadcast video, blank modify, meeting recording, upload files, sending message and sending files But the following rights are forbidden: change meeting pattern, lock meeting room, bulletin modification, file transfer control and private text chat control And the functions are opened only when the administrator granted the user temporarily The temporary master can be deprived of the rights by the administrator After the common user applied for control of the meeting, the administrator has the right to take of him instead And the administrator has the right to kick the common user out of the meeting room while common user do not have the right

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