If we try to say which bits of metabolism are important for aging, we will be here all night, because basically all of metabolism is important for aging in one way or another.
如果我们试图说新陈代谢的那个部分才是对老化过程有着重要的影响， 那我们可能要在这里呆一整晚， 因为基本上新陈代谢的每个组件都对老化有影响。