it (just) so happens that ...
成語所屬單字happen
it (just) so happens that ... — 慣用語
1. Used to say that something is true by coincidence, often when you want to point
1.慣用語
釋義
恰巧；正好
Used to say that something is true by coincidence, often when you want to point out an unexpected connection.
例句
It just so happens that Chidi's cousin works in the same hospital as Dr. Okafor.
It so happens that I have two spare tickets to the concert tonight, so you can join us.