Jiang Zemin concluded that expediting the development of the west region represents a huge systemic project and also an arduous historical task of an unprecedented scale.是什么意思_Jiang Zemin concluded that expediting the development of the west region represents a huge systemic project and also an arduous historical task of an unprecedented scale.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句