document.write("<div class=\"prevBox\"><div class=\"prevBtn\"></div><p><a href=\"/story?sid=67312\">视界望远镜捕捉到黑洞的偏振光照片</a></p></div>");document.write("<div class=\"nextBox\"><div class=\"nextBtn\"></div><p><a href=\"/story?sid=67314\">数百年来律师将羊皮作为一种反欺诈装置使用</a></p></div>");