（二）违反国家规定，在文物保护单位附近进行爆破、钻探、挖掘等活动，危及文物安全的。
Between advertisers and publishers, CJ Affiliate acts as a middleman.. Advertisers sign up on CJ to promote their products or services, while publishers sign up on CJ to find and join affiliate programs to make money. CJ then tracks the sales or leads generated by the publisher and pays them a commission according to the terms of the affiliate program.
，这一点在旺商聊官方下载中也有详细论述
identity function for slices that are already allocated in the heap.
// 条件解读：栈非空 + 栈顶当前数 + 还有删除名额 → 弹出栈顶（移除大数）