Vous avez cherché: costly (Anglais - Malais)

at the same time, it must be noted establishments of issuing tend to make : more time consuming, costly. ( requiring written requisitions and filled by additional specialized personnel)
pada masa yang sama, perlu diperhatikan pertubuhan pengeluaran cenderung membuat: lebih memakan masa, mahal. ( memerlukan permintaan bertulis dan diisi oleh kakitangan khusus tambahan)

(the opportunity cost to society as a whole resulting from the need to finance costly educational expansion at higher levels when these limited funds might be more productively used in other sectors of the economy) increase rapidly as students climb the educational ladder.
kos ditanggung oleh individu dan masyarakat daripada keputusan pendidikan swasta, termasuk subsidi pendidikan kerajaan.