“分歧点”的英语可以翻译为：ifurcation，[计] bifurcation point，branch point ...

讨论这个问题时, 我们应该抓住分歧点.In discussing this problem, we ought to keep to the point at issue.我们再次来到了历史上的分歧点.We have reached another bifurcation point in history....