document.write("<div class=\"prevBox\"><div class=\"prevBtn\"></div><p><a href=\"/story?sid=79694\">积极锻炼无法抵消久坐的不良后果</a></p></div>");document.write("<div class=\"nextBox\"><div class=\"nextBtn\"></div><p><a href=\"/story?sid=79696\">猫脑的衰老与人类相似</a></p></div>");