Question

Unfortunately, this cleaning product leaves behind a noticeable residue.

Accepted Answer

(transitivehttps://en.wiktionary.org/wiki/Appendix:Glossary#transitive, idiomatichttps://en.wiktionary.org/wiki/Appendix:Glossary#idiomatic) To leavehttps://en.wiktionary.org/wiki/leave (a tracehttps://en.wiktionary.org/wiki/trace of something).

Sentence	Unfortunately, this cleaning product leaves behind a noticeable residue.
Definition	( transitive https://en.wiktionary.org/wiki/Appendix:Glossary#transitive , idiomatic https://en.wiktionary.org/wiki/Appendix:Glossary#idiomatic ) To leave https://en.wiktionary.org/wiki/leave (a trace https://en.wiktionary.org/wiki/trace of something).

Cleaning Product Leaves Noticeable Residue