In 2001, the volume of passenger transportation totaled 219.87 million person-trips, up by 19.5 percent over the previous year.是什么意思_In 2001, the volume of passenger transportation totaled 219.87 million person-trips, up by 19.5 percent over the previous year.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句