相关Haveyoueverheardtheo的文学知识

问题详情：   Haveyoueverheardtheoldsaying“Neverjudgeabookbyitscover.”?Thisisagoodrule61_______(follow)whenyouaretryingtojudgetheintelligenceofsomeone.Somepeoplehavemindswhichshineonlyincertainsitua...