技术是一柄双刃剑，城市化亦然。
Technology has two sides: advantage and disadvantage, as has urbanization.
但是它的互动传播和迅速普及也使互联网成为一柄双刃剑。
Yet its interactivity and rapid popularization have made the Internet a double-edged sword.
过去三年中Android系统迅猛发展，这对于相关的应用程序来说是柄双刃剑。
Android's explosive growth over the past three years has been a double-edged sword for its apps.
应用推荐