On the general question of bubble, in the first place you don't know it's a bubble until the bubble ends, by definition.
说到泡沫这个问题，首先从定义上看，在泡沫破裂之前，你是不知道究竟有没有泡沫的。
With this concept Kant reveals profoundly the human nature and systematically answers the general question of "What is a human being".
他通过这个核心概念深刻揭示人的本质特性，系统地回答了“人是什么”这个总问题。
Normative explanation is that the executive branch has the power to interpret laws and regulations applicable norms exist in the general question of normative interpretation.
规范性解释，是指具有解释权的行政机关就适用法律法规规范存在的一般问题所作的具有规范性的解释。
But the Warhol boxes, though clearly of their time, raised the most general question about art that can be raised, as though the most radical possibilities had at last been realized.
但是，沃霍尔的盒子，尽管清楚地是属于这个时代的，却提出了一个关于艺术可能提出的最一般的问题，好像最极端的可能性终于付诸实现了。
But the Warhol boxes, though clearly of their time, raised the most general question about art that can be raised, as though the most radical possibilities had at last been realized.
但是，沃霍尔的盒子，尽管清楚地是属于这个时代的，却提出了一个关于艺术可能提出的最一般的问题，好像最极端的可能性终于付诸实现了。
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