If all goes well, we shall be able to lay the foundation for sustained, coordinated development of the economy over the next 50 to 70 years.是什么意思_If all goes well, we shall be able to lay the foundation for sustained, coordinated development of the economy over the next 50 to 70 years.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句