translation.en: And the proteins are all of the little things in your body that are signaling between the cells -- actually, the machines that are operating -- that's where the action is.
translation.zh: 这些蛋白质是你体内的小小物质 它们在每个细胞间传递信息—— 它们是真正操纵你身体的迷你机器。 它们是行动者。