array(1) { [472212]=> array(2) { [2]=> array(3) { [0]=> string(9) "房地產(chǎn)" [1]=> string(6) "美國" [2]=> string(12) "房貸利率" } [4]=> array(1) { [0]=> string(19) "同花順7x24快訊" } } }