| Let of name * expr * expr (* let x = e1 in e2 *)
Dify 的价值在于：把 Prompt、规范、知识、输出格式、调用链路沉淀为“流程”。
，详情可参考体育直播
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NASA recently ended a manned mission to the International Space Station (ISS) a month early, citing a medical issue with one of the astronauts. The space agency just revealed that the impacted astronaut was Mike Fincke. This was the first medical evacuation in the history of the ISS.
對霍洛維茲而言，夢境工程不僅關乎科技，更關乎重新奪回人生中的重要時光。