你可能可以想象不同的宇宙相互碰撞并留下痕迹和可观察的效应。
It's possible that you could imagine universes bumping into each other and leaving traces, observable effects.
安慰剂效应是指由安慰剂所引起的可观察的行为。
The placebo effect refers to all the observable behaviors caused by placebo.
日粮总纤维数量增加时，可观察到许多同样的效应。
However, many of the same effects can be seen when the total amount of fiber in the diet is increased.
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