Saudi is well-known for their generousness and you should not always focus on his wristwatch or other items, or he will give it to you on the spot.
沙特人很大方,假若你总是盯着他的手表等物品,他会当场摘下来送给你。
The most important reason is not dominant in wealth but the kindness, generousness and charitableness, all of those inherited from generation to generation without decline.