The commission is also recommending a Forever stamp that would be valid even if rates rise in the future. The new rate could be implemented in 60 days.是什么意思_The commission is also recommending a Forever stamp that would be valid even if rates rise in the future. The new rate could be implemented in 60 days.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句