document.write("<div class=\"prevBox\"><div class=\"prevBtn\"></div><p><a href=\"/story?sid=70356\">加密货币挖矿让一家哥斯达黎加水力发电厂重获新生</a></p></div>");document.write("<div class=\"nextBox\"><div class=\"nextBtn\"></div><p><a href=\"/story?sid=70358\">对称性揭示全息宇宙的线索 </a></p></div>");