self.conn.close()
Efforts by social media companies to remove children from their platforms will prove difficult, simply because they know how to get around them.
，这一点在Line官方版本下载中也有详细论述
宠物在人们日常生活中的角色升级，也催生了“宠物友好型商业”这一新的赛道。在国内一线城市，不少购物中心把宠物们当成新的流量入口。。关于这个话题，heLLoword翻译官方下载提供了深入分析
The answer was the US Navy, which was hungry for new pilots after World War Two. It was not building rockets but at least it involved flying.