So, you start with the Big Bang and you get hydrogen, and then you get helium, and then you get more complicated stuff, and you get planets forming -- and life is a common, planetary-based phenomenon, in my view.
比如，从大爆炸开始首先形成了氢气 然后是氦气，后来又有了一些更复杂的东西 直到行星最终形成 从我的观点看来，生命只是一种以行星为基础的普通现象