More drastic and hasty, often so busy that people have been caught unprepared.
来得猛烈而仓促，往往让忙碌的人们有些措手不及。
So when the evolution progress becomes drastic, the urban structure must begin to revolution.
当城市演进过程超常规时，城市空间结构也会发生激烈的变异。
So when the evolution progress becomes drastic, the urban structure must begin to revolution.
当城市演进过程超常规时，城市空间结构也会发生激烈的变异。
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