Путешествия для россиян стали еще дороже из-за конфликта на Ближнем Востоке20:37
If \(X\) is path-connected, the isomorphism type of \(\pi_1(X,x_0)\) is independent of the basepoint \(x_0\), and we write simply \(\pi_1(X)\).
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Signal? That would be a pain. I don’t have a workaround for that. I’m happily using XMPP, but as a complement to Signal, not an alternative.
这种落差，折射出阿里AI在战略转型期的内在张力：顶层设计可以着眼长远，但业务执行必须面对当下。