今天来猜一猜:<br>“black sheep”<br>讲的是什么俗语嘞?<br>仔细想想有没有比喻义哦<img class="W_img_face" render="ext" src="//img.t.sinajs.cn/t4/appstyle/expression/ext/normal/40/angerbird_shengqi_org.png" title="[胖红生气]" alt="[胖红生气]" type="face"><br><a target="_blank" render="ext" suda-uatrack="key=topic_click&amp;value=click_topic" class="a_topic" extra-data="type=topic" href="//s.weibo.com/weibo?q=%23%E4%B8%80%E8%B5%B7%E5%81%9A%E4%B8%AA%E9%A2%98%