On a seasonally adjusted basis, light-vehicle sales in September were the lowest since 1992, according to Autodata Corp, a research firm.是什么意思_On a seasonally adjusted basis, light-vehicle sales in September were the lowest since 1992, according to Autodata Corp, a research firm.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句