如果你把地球上构成每个人的原子中的所有真空区都移除了，那么全世界的人口就可能装进一个苹果里。
If you were to remove all of the empty space from the atoms that make up every human on earth, the entire world population could fit into an apple.
霍金在20世纪70年提出，黑洞以辐射的形式从其边界释放能源，而这种辐射是由其真空区的量子起伏形成。
Hawking showed in the 1970s that black holes should emit energy from their boundaries in the form of radiation produced by quantum fluctuations of empty space itself.
运作原理是这样的：由于在欧元区定协议建立一个共同的财政部会需要相当长的时间，在此期间，各成员国必须求诸欧洲央行，让它来填补这个真空。
This is how it would work.Since a eurozone treaty establishing a common Treasury would take a long time to conclude, in the interim the member states have to appeal to the ECB to fill the vacuum.
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