array(1) { [450892]=> array(2) { [2]=> array(5) { [0]=> string(9) "鐵礦石" [1]=> string(12) "商品期貨" [2]=> string(15) "鐵礦石期貨" [3]=> string(12) "熱卷期貨" [4]=> string(12) "熱軋卷板" } [4]=> array(1) { [0]=> string(19) "同花順7x24快訊" } } }