document.write("<div class=\"prevBox\"><div class=\"prevBtn\"></div><p><a href=\"/story?sid=72932\">比特币挖矿的气候影响相当于牛肉生产</a></p></div>");document.write("<div class=\"nextBox\"><div class=\"nextBtn\"></div><p><a href=\"/story?sid=72934\">NASA Juno 飞船近距离飞越木星卫星欧罗巴</a></p></div>");