out-of-homeCOCA⁶¹¹⁸⁸ 基本例句 🌏户外广告；家外媒体；在家外 ROADSIDE billboards, posters on buses and subway escalators, ads in airport terminals—a type of publicity known as out-of-home advertising—used to be the dull end of the industry. 路边广告牌、公交和地铁自动扶梯上的广告海报、机场候机楼的广告，这类众所周知的户外广告形式曾被认为是广告行业行将就木的表现，仅此而已。 ecocn