lawn sign
noun /ˈlɔːn saɪn/
/ˈlɔːn saɪn/
(North American English)- a board that people put outside their house in order to advertise something or to show that they support a particular politician or political party
草坪插牌,户外告示牌(置于宅前,用于广告或表明户主支持某政治人物或政党)