/ http://www.slideshare.net/images/logo.gif / 狠狠撸Share feed for 狠狠撸shows by User: leesyao3 https://cdn.slidesharecdn.com/profile-photo-leesyao3-48x48.jpg?cb=1527861724 There is only stronger,stronger ang stronger... 第一卦 乾 乾为天 乾上乾下 天行健，君子以自强不息。 第五十八卦 兑 兑为泽 兑上兑下 君子以朋友讲习。