translation.en: All the theories in physics that we have today properly explain what is called normal matter -- the stuff that we're all made of -- and that's four percent of the universe.
translation.zh: 这是现今人类所有的物理学理论 都是解释我们所谓的正常物质 这些也正是组成我们的物质 它们仅仅占到整个宇宙的百分之四