◎临渊羡鱼，不如退而结网línyuānxiànyú,bùrútuìérjiéwǎng[Itisbettertoreturnhomeandweavenetthanstandingbywaterandadmiringfishes;oneshouldtakepracticalstepstoachieveone’saims;Itishardtocatchbirdswithanemptyhand;Itisv...