What does 开拓 (kāituò) mean in English?

Card 1453HSK Level 41453/3571
CARD1453
PROGRESS41%
开拓
開拓
kāituò
open up; exploit(Verb)
Click to reveal
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Reveal: Click/Space/Enter/↑↓/w/s/j/k•Navigate: ←→/h/l/a/d