array(1) { [423798]=> array(2) { [2]=> array(4) { [0]=> string(6) "中國" [1]=> string(6) "美國" [2]=> string(12) "新冠疫情" [3]=> string(14) "前沿生物-U" } [4]=> array(1) { [0]=> string(19) "同花順7x24快訊" } } }