poster-childEconomist⁵³⁵⁸¹⁺¹ 基本例句 na.代表人物；🌏典型代表；海报上的典型形象；典范 It doesn't mean that they're not altering the ecosystem, but they're not driving things extinct like some of the big poster-child stories we've been hearing about. 这并不意味着它们没有改变当地的生态系统，但是它们没有像我们以前听过的传说那样导致物种灭绝。 yeeyan