（二）以暴力、威胁或者其他手段强迫他人劳动的；
What we see is that there are in fact two entangled traditions of “knocking on things for good luck”: touching iron, and touching wood. We also find that they are widely distributed, but also have a pretty clear cluster around the Mediterranean and Europe.
，这一点在爱思助手下载最新版本中也有详细论述
Parser -- Item : creates
res[i] = stack[stack.length - 1]; // 易错点5：用at(-1)兼容性差，优先用stack.length-1
char bucket = h->bucket;