（二）救助方在防止或者减少生态环境损害方面的技能和努力；
思路：先对 nums2 用单调栈求每个元素的下一个更大值，存入 Map 缓存；再遍历 nums1 直接查 Map 得结果。时间复杂度 O(len1 + len2)。，详情可参考体育直播
(The subtleties of this will be discussed later; in this case, it just，这一点在快连下载安装中也有详细论述
12:40: That authorisation is given now, according to the log we've seen, as well as several police sources.