You know what’s fun? A stick. A stick is fun. A ball is fun. I now have a (hopefully) more nuanced appreciation for the way that the fun of games is rooted in simple behaviors and deterministic rules. The fun of games is deeply connected to the miracle of emergence, in the ways that a small set of seemingly trivial constraints interact with each other to produce an infinite expanse of surprising complexity. Starting with a bunch of surprising complexity doesn’t lead to even more fun, it just short-circuits the whole process.
YouTube的视频天然带一个可抓取的全文：自动转写。哪怕里头有口头语、听写错误，但对机器来说已经足够形成一份带时间戳的粗加工文稿，方便按主题切片、对齐问题，再从中挑出可以引用的句子。
。业内人士推荐快连下载安装作为进阶阅读
with special feet, and has more expansion capabilities than the Indy.
Part of a Soviet-era spacecraft is likely to have re-entered the Earth's atmosphere after being stuck in orbit for more than half a century, the European Space Agency said.