- 问题详情:Youmaythinkthatsailingisadifficultsport,butitisreallynothardtolearnit.Youdonotneedtobestrong.Butyouneedtobequick.Andyouneedtounderstandafewbasicrulesaboutthewind.First,youmustaskyourself,“Whereisthewindcomingfrom?Isitcomingfromaheadorbehindo...
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