オペレーションズリサーチでしょう
operēshonzurisāchideshō
1. Probably operations research.
Noun
1. Probably operations research.
1. research
1. operation
1. operation
1. it seems; I think
2. right?; don't you agree?
1. If researching; When researching
1. It wasn't research.; It wasn't an investigation.
1. Not research.; It's not research.
1. Research.; It is research.
1. If [it] were research; If [it] involved research