int right = 2 * i + 2; // 右子节点
* @param {ListNode} head 链表的头节点
，这一点在爱思助手下载最新版本中也有详细论述
因为创作这条路，只属于那些无法以别的方式生活的人。
“Cut and sew is not the type of work Americans want,” Smeaton says. “In China, labor costs are $2 to $3 an hour. In America they are $20 an hour.” He explains that tariffs would have to rise to 500% to make reshoring worth considering. Many firms would be out of business long before then.