captive audience

audience with little or no freedom to go away and therefore easily persuaded to listen or watch 被动听众, 被动观众（无法轻易离开者, 故易受诱导）: Television advertisers can exploit a captive audience. 电视广告商能利用被动观众.

capricious, capriciously, capriciousness, Capricorn, capsicum, capsize, capstan, capsule, Capt, captain, captaincy, caption, captioned, captious, captiously, captiousness, captivate, captivating, captivation, captive, captive balloon, captivity, captor, capture, capybara, car, car park, car-ferry, car-park (US parking-lot), car-port, carafe, caramel, caramelize, -ise, carapace, carat, caravan, caravanserai, caraway, carbide, carbine,