-- 2. generalize: id : ∀α. α → α (α is free at let boundary)
那是2019年春天，為他的創業平台競賽「Pitch@Palace」中國分部舉辦的盛大晚宴——而這竟成了最後一屆。
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中國正打擊日本的痛處，但高市早苗會屈服嗎？2026年2月17日
This is the street at the heart of the Cuban expat community of more than 1 million people where tens of thousands partied through the night in November 2016 to celebrate the death of Fidel Castro, and where they gathered in sorrow almost exactly 30 years ago to mourn four Cuban-Americans shot down by the communist country’s air force as they conducted a mission for the humanitarian exile group Brothers to the Rescue.