arr.push(p.val); // 存储节点值而非节点本身，简化后续操作
Visitors to Manchester this week have been visibly amused to be arriving into Olivia Deansgate station, with many posing for selfies in front of the temporary sign. The tribute to the chart-busting musician is just one indication of how Manchester is embracing the arrival of the Brit awards on Saturday, the event’s first venture outside London in its five-decade history.
，更多细节参见51吃瓜
How is food waste recycled?。搜狗输入法下载对此有专业解读
63-летняя Деми Мур вышла в свет с неожиданной стрижкой17:54