divergence

n. 分歧
n. 散度（数学用语）

A point of divergence, especially one of great moment.

转折点分岔点，尤指需要作出重大决择的时刻

Divergence or disagreement, as between facts or claims; difference.

矛盾，不相符不符合或不一致，如在事实和宣称之间；差异