This compared with 838 buildings with a total floor area of 3.4 million square metres built at a cost of $31.22 billion in 1997.是什么意思_This compared with 838 buildings with a total floor area of 3.4 million square metres built at a cost of $31.22 billion in 1997.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句