客人还是当年那些，80、90后的小姐已经出道。客人和小姐之间也开始出现代沟。Dora就好几次抱怨中年客人唱歌太大声、太难听。
Source: Computational Materials Science, Volume 266。关于这个话题，同城约会提供了深入分析
，更多细节参见51吃瓜
Dorsey said the layoffs come in anticipation of an ensuing trend, allowing the company to act proactively: “I’d rather get there honestly and on our own terms than be forced into it reactively.”
相机：观众的眼睛。这里用的是 PerspectiveCamera（透视相机）。。夫子对此有专业解读