学生 がくせい割引 わりびきだったら
gakuseiwaribikidattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 学生割引

1. If/when [I/you/he/she/it/we/they] were a student; If/when [I/you/he/she/it/we/they] had a student discount

Tara Conditional