array(1) { [476442]=> array(2) { [2]=> array(5) { [0]=> string(6) "北京" [1]=> string(6) "藥品" [2]=> string(12) "北京大學(xué)" [3]=> string(12) "新冠疫情" [4]=> string(9) "默沙東" } [4]=> array(1) { [0]=> string(19) "同花順7x24快訊" } } }