- 問題詳情:Nexttimeyouhearafunnyjokeyou’dbetternotlaughtoohard.AccordingtoapaperpublishedbytheBritishMedicalJournal,laughterisn’talwaysthebestmedicine.Sometimesit$來&源:canevenbeharmful.ProfessorRobinFernerfromtheUniversityofBirmingham,oneoftheauth...
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