And when we take that, we take this idea of what culture is doing and add it to what the long-term trajectory -- again, in life's evolution -- we find that each case -- each of the major transitions in life -- what they're really about is accelerating and changing the way in which evolution happens.
当我们采取，我们采取这个文化作用的观念 并将它加到生命演化的长程轨道中 我们发现每次－ 生命的每次主要转换－ 它们真正是在加速与改变 演化就是这么发生的。