array(1) { [477834]=> array(2) { [2]=> array(3) { [0]=> string(6) "疫苗" [1]=> string(6) "輝瑞" [2]=> string(12) "新冠疫情" } [4]=> array(1) { [0]=> string(19) "同花順7x24快訊" } } }