document.write("<div class=\"prevBox\"><div class=\"prevBtn\"></div><p><a href=\"/story?sid=71355\">无人机更快的为卢旺达运送血液</a></p></div>");document.write("<div class=\"nextBox\"><div class=\"nextBtn\"></div><p><a href=\"/story?sid=71357\">Twitter 接受 Elon Musk 的收购提议</a></p></div>");