Which language is preferable in doing business in another country, your mother tongue or the local language? Why? 2. According to author, to what extent is it true of the old German “You should sell in the other’s language and buy in your own? 3.Find some examples of cultural discrepancy by the author? 4.The Japanese are often interpreted by westerners as “inscrutable” while they are just quintessentially polite. Please explain. 5. Why do we have to be careful about using humor on formal occasions?