一座大城被敌军围困了，城中的居民们聚在一起，共同商议对抗敌人的办法。
A siege of the city of the enemy, the city residents to get together to discuss common fight against the enemys approach.
一个砌匠挺身而出，主张用砖块作为抵御材料;一个木匠毅然提议用木头来抗敌是最佳的方法;一个皮匠站起来说：先生们，我不同意你们的意见。我认为作为抵御材料，没有一样东西比皮更好。
A build Carpenter to come forward to advocate the use of bricks as a resist material; a carpenter decided to propose to the enemy using wood is the best method; a cobbler, stood up and said: Gentlemen, I do not agree with your views and I think that as resist material, as no better than what Paper.
这是说，人们都习惯于从自身角度考虑问题，总认为自己所熟悉的东西是最好的。
It is said that people are accustomed to from their own point of view, the view that they are familiar with what is the best.