Youprobablylaughatsomethingyoufindfunny,buthowmuchdoyou...
问题详情：Youprobablylaughatsomethingyoufindfunny,buthowmuchdoyoureallyknowaboutjokesandhumor?Reader’sDigest(RD)questionedseveralexpertstogiveussomefactsaboutthem.RD:What’stheoldestjokeintheworld? ...