document.write("<div class=\"prevBox\"><div class=\"prevBtn\"></div><p><a href=\"/story?sid=73670\">天文学家在附近恒星的宜居带探测到两颗地球大小的行星</a></p></div>");document.write("<div class=\"nextBox\"><div class=\"nextBtn\"></div><p><a href=\"/story?sid=73672\">WHO 预计明年新冠将不再是全球卫生紧急事件</a></p></div>");