Usages of dahulu
Biar saya memeriksa dokumen dahulu sebelum kita berangkat.
Let me check the documents first before we depart.
Dia makan siang dahulu, sedangkan saya sudah makan pagi.
He/She eats lunch first, whereas I have already eaten breakfast.
Sebagaimana saran dosen, kami fokus pada pendapatan utama dahulu.
As the lecturer suggested, we focus on the main income first.
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