Gēsīdálíjiā méiyou chángbèi de jūnduì, zhǐyǒu jǐngchá.
Costa Rica has no standing army, only police.
Tips
usage
Most often straight before a noun: 常备药 (medicines kept at home), 常备食品 (foods kept in stock), 常备军 (standing army). 家庭常备 on a label means "a household essential".