The achievements in carrying out the reform and opening-up policy and in the economic development of the past two decades provided the material basis and institutional conditions for surmounting tremendous hardships.是什麼意思_The achievements in carrying out the reform and opening-up policy and in the economic development of the past two decades provided the material basis and institutional conditions for surmounting tremendous hardships.在線翻譯_英語_讀音_用法_例句