International reply coupon: A coupon of monetary value that is sold and exchangeable for postage at post offices in member countries of the Universal Postal Union.是什么意思_International reply coupon: A coupon of monetary value that is sold and exchangeable for postage at post offices in member countries of the Universal Postal Union.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句