改革开放以来，中国社会经济迅速发展，取得了举世公认的成就。『但一个明显的事实是，同经济发展相比，社会发展明显滞后。』这突出表现为

改革开放以来，中国社会经济迅速发展，取得了举世公认的成就。『但一个明显的事实是，同经济发展相比，社会发展明显滞后。』这突出表现为贫富差距的拉开幅度过大。
【正确答案】：Yet, it is obvious that its social development is lagging behind that of its economy.
【题目解析】：
本题应该省译名词。题干句子可译为：Yet, it is obvious that its social development is lagging behind that of its economy.