He pulled on a welder's helmet for protection. He packed it with powder, struck a match and ran like hell.
* @param arr 待排序数组
。关于这个话题，夫子提供了深入分析
"previousInventoryETag": "5800c7d6-0000-0800-0000-6982949c0000",
平日里，纳泽习惯刷卡或现金支付。来中国前，他曾担心支付不便，来之后，才发现担心多余。