document.write("<div class=\"prevBox\"><div class=\"prevBtn\"></div><p><a href=\"/story?sid=64707\">抖音为何在内部架起“中国墙”？</a></p></div>");document.write("<div class=\"nextBox\"><div class=\"nextBtn\"></div><p><a href=\"/story?sid=64710\">研究称新冠抗体可能只能持续 2 到 3 个月</a></p></div>");