现货白银失守20美元/盎司，日内跌幅1.73%

array(1) { [421282]=> array(2) { [2]=> array(2) { [0]=> string(11) "美元(USD)" [1]=> string(12) "现货白银" } [4]=> array(1) { [0]=> string(19) "同花顺7x24快讯" } } }