document.write("<div class=\"prevBox\"><div class=\"prevBtn\"></div><p><a href=\"/story?sid=67705\">夜间模式无助于改善睡眠质量</a></p></div>");document.write("<div class=\"nextBox\"><div class=\"nextBtn\"></div><p><a href=\"/story?sid=67707\">中国温室气体排放超过所有发达国家总和</a></p></div>");