方向遍历顺序说明下一个倒序（从右往左）先处理右侧，栈里存「右侧候选」上一个正序（从左往右）先处理左侧，栈里存「左侧候选」
Paramount initially proposed to pay $30 per share, in an all-cash offer, which it said gave shareholders more certainty than Netflix's plan. However, it then increased its offer to $31 per share.
。Line官方版本下载是该领域的重要参考
Нина Ташевская (Редактор отдела «Среда обитания»)，详情可参考Line官方版本下载
В России ответили на имитирующие высадку на Украине учения НАТО18:04