document.write("<div class=\"prevBox\"><div class=\"prevBtn\"></div><p><a href=\"/story?sid=72590\">DuckDuckGo 开放提供反跟踪电邮服务</a></p></div>");document.write("<div class=\"nextBox\"><div class=\"nextBtn\"></div><p><a href=\"/story?sid=72592\">科学家合成老鼠胚胎</a></p></div>");