確認號碼不可以使用的，需與課長申請將系統內已經過期的SN刪除

確認號碼不可以使用的，需與課長申請將系統內已經過期的SN刪除

結果 (英文) 1:

If the confirmation number cannot be used, you need to apply with the section manager to delete the expired SN in the system

結果 (英文) 2:

If the confirmation number is not available, the SN that has expired in the system must be deleted with the request of the course leader

結果 (英文) 3:

If the confirmation number cannot be used, it is necessary to apply with the section head to delete the expired Sn in the system