那些扮演棘轮角色的因素可以阻止这种毁灭，帮助生命沿着进化的道路形成更高的复杂性。

Factors that acted like ratchets could prevent that destruction, helping move life along its evolutionary pathways toward greater complexity.

youdao

八年以来，我竭尽所能，领导我的国家沿着这条道路前进，我想，在我们生命所剩余的时间里，我们最好还能保持这个方向。

For eight years I have done what I could to lead my country down that path. I think for the rest of our lives we had all better stay on it.

youdao