How is “win back” used?

In Maria Bamford: Old Baby (2017), one line is: “If there's any way we can win back your business,”

Which movie is “win back” from?

The clip at the top of this page is from Maria Bamford: Old Baby (2017).

If there's any way we can win back your business,

3 作品で登場 · 1 本目

句動詞

to get or have again sth / sb that you had before

3 本の映画に登場

win sth / sb back
to get or have again sth / sb that you had before
The party is struggling to win back voters who have been alienated by recent scandals.

定義：Oxford Advanced Learner's Dictionary 第 9 版