知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 Early 70s scifi novel about underground people, caste is decided by the colour of the poncho, and everyone eats mouldy grain The app lets you customise your own private profile — the greater exceptional, the greater — in which you'll show off the stuff you're genuinely obsessed https://app.rafighyab.com/