最后，你还不得不付邮资。
我需要这封信立刻付邮。
如果你的包裹超重就必须付邮局更多的钱。
If your package is over weight, you need to give the post office more money.
无需支付邮费！
我们每星期都收到他的来信，他从未忘记写信来，每次都由我们付邮费。
We receive collect letters from him every week; he never fails to write.
我们每星期都收到他的来信，他从未忘记写信来，每次都由我们付邮费。
We receive collect letters from him every week; he never fails to write.
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