factor something in

Từ điển tiếng Anh - Cambridge Advanced Learners Dictionary

factor sth in phrasal verb ( also factor sth into sth ) [ factors sth in factoring sth in factored sth in factored sth in factored sth in ]
to include something when you are doing a calculation, or when you are trying to understand something
• People are earning more, but when inflation is factored in, they are no better off.
• The age of the patients and their overall health must be factored into the results.
Thesaurus⁺: ↑Including and containing ↑Comprising and consisting of
Main entry: factor_{phrasal verb}