第四步：填写投诉表格。
立即向对方寄一份投诉表格的复印件，然后等待他的答复，时间为一周。
Send a copy of the complaint form to the other party immediately, and then wait a week for a response.
立即向对方寄一份投诉表格的复印件，然后等待他的答复，时间为一周。
Send a copy of the complaint form to the other party immediately, and then wait a week for a response.
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