他建议，社区还可以组织一些活动，让外卖骑手与居民共同参与。哪怕只是一起包一顿饺子、一起看一场电影，也能让他们从被忽视的“工具角色”，重新成为社区里的“邻居”。
Hard (thunks obscure control flow)
，这一点在新收录的资料中也有详细论述
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I remember the first time I remembered a smell. This was remembering to the extent that it stopped me in my tracks, taking me back to a specific moment, a specific place and a specific feeling. The smell was that of a bike shop. Mainly rubber, with notes of oil and plastic and a strong hint of sheer excitement. In that instant I was about 10 years old, in Bache Brothers Cycles at Lye Cross, near Stourbridge, in the West Midlands. My grandad was next to me, with the shop man. I was getting a bike for my birthday.
1 & x_1 & x_1^2 & \dots & x_1^n\\