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possession; having (on one's person); carrying (with one)
パスポートを所持していないと入国できない。
You cannot enter the country without possessing a passport.
違法薬物の所持は厳しく罰せられる。
Possession of illegal drugs is severely punished.
運転時は免許証を所持する義務がある。
There is an obligation to carry a driver's license while driving.