translation.en: Instead, the CSF was pumped back into along the outsides of the blood vessels, and as it flushed down into the brain along the outsides of these vessels, it was actually helping to clear away, to clean the waste from the spaces between the brain's cells.
translation.zh: 相反，CSF沿着 血管外壁，流回 大脑中，并且 在它沿着这些血管 流向大脑的同时， 它正在忙于将废物 从这些 脑细胞的间隙中带走。