- 問題詳情:Ayoungmanworkedveryhard athislessons.Hewastoobusytohavearest.Atlast,hebecameill,sohecouldn’tgotosleep.Everynight,whenhewenttobed,heclosedhiseyesandtriedtosleep.Buthealwaysstayedawakeandcouldn’tfallasleep. Aftersomedays,hedecidedtoseeadoct...
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