听村里的老人讲，生父隔几年会来看阿爸一次。每次来都是坐一会儿，说几句话，留下点东西就走。阿爸当时年纪小，也未必能分清“客边”和“其他客人”有什么不同。这个人是谁，说过什么话，穿什么衣服，他都不太记得了。
Rich Walker has been developing robot hands for 30 years
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对于党员干部来说，个人的时间和精力总是有限的。如何更好造福于民，考验着为政的立场和智慧。
For SAT problems with 10 variables and 200 clauses, sometimes outputted UNSAT because it couldn't find any satisfying assignment, and it would take a lot more time to find one, which is logically sound. I don't consider this as bad reasoning as it is about performance. So I tried it with only 100 clauses and it successfully found valid assignments.
更关键的是，我想起外婆的故事，一个豆包永远无法替代真人陪伴，真实的情感陪伴无法被AI外包。从这一点来说，用AI陪伴老人，是不是只是我们的一种自我安慰？