Usages of kalau-kalau
Saya membawa pengisi daya di tas, kalau-kalau baterai habis.
I bring a charger in my bag, just in case the battery runs out.
Dia menyimpan kabel cadangan, kalau-kalau stopkontak jauh dari meja.
He/She keeps a spare cable, just in case the outlet is far from the table.
Elon.io is an online learning platform
We have an entire course teaching Indonesian grammar and vocabulary.