Many observers,in the United States,in China and elsewhere,have wondered why some ask aloud: Can two countries with such different social and economic systems continue to cooperate?是什么意思_Many observers,in the United States,in China and elsewhere,have wondered why some ask aloud: Can two countries with such different social and economic systems continue to cooperate?在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句