案例分析：Case 1 Li has returned to China after a year in the States. He marries his childhood sweetheart, Wang Lan, who has never traveled and speaks very little English. When Li’s best friend in the States, Bob, comes to visit China for the first time, he is introduced to Wang Lan. “Gee, it’s great to meet you”, says Bob, “Li talked about you all the time back in Houston!”, and Kisses Wang lan heartily on both cheeks. Wang Lan is shocked.