How is “leave behind” used?

In All the Bright Places (2020), one line is: “These are the things we leave behind.”

Which movie is “leave behind” from?

The clip at the top of this page is from All the Bright Places (2020).

These are the things we leave behind.

8 作品で登場 · 1 本目

句動詞

to make much better progress than sb

21 本の映画に登場

1
leave sb / sth behind
to make much better progress than sb
Britain is being left behind in the race for new markets.
2
leave sb / sth behind
to leave a person, place or state permanently
She knew that she had left childhood behind.

定義：Oxford Advanced Learner's Dictionary 第 9 版