Three Spanish scientists posit that the observed acceleration of the expanding cosmos is an illusion caused by the slowing of time.

西班牙有三名科学家提出假说认为，现在人们所观察到的宇宙膨胀现象，实质上是因为时间变慢而产生的假象。

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But there is another way in which this acceleration of time is not an illusion but a reality.

但从另一种意义上讲，时间的这种加速并非错觉，而是事实。

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