In England three foreign gentlemen came to a bus stop. They studied the information on the post sign and decided which bus to take. About five minutes later the bus they wanted came along. They prepared to get on. Suddenly people rushed onto the bus and tried to push them out of the way. Someone shouted _ remarks about the foreigners. The bus conductor came rushing down the stairs to see what all the trouble was about. The three foreign gentlemen looked puzzled and ashamed. No one had told them about the British custom of lining up for a bus so that the first person who arrived at a bus-stop is the first person to get on the bus. Learning the language of a country isn't enough. If you want to ensure a pleasant visit, find out as much as possible about the manners and customs of your hosts. You will probably be surprised just how different they can be from your own. A visitor to India would do well to remember that people there consider it impolite to use the left hand for passing food at table. The left hand is supposed to be used for washing yourself. Also in India, You might see a man apparently shaking his head at another and assume   that he is disagreeing. But in many parts of India a rotating   movement of the head is a gesture that express agreement or acceptance. _ In that country you shake your head to express "yes" -- a nod means "no". In Europe it is quite usual to cross your legs when sitting, talking to someone, even at an important meeting. Doing this when meeting an important person in Thailand, however, could cause offence  . It is considered too informal an attitude for such an occasion. Also when in Thailand avoid touching the head of an adult -- it's just not done. Attitudes to women vary considerably around the world. In Japan, for example, it is quite usual for men to plan evening entertainments for themselves and leave their wives at home. Knowing about customs and attitudes is useful when you are travelling, but you also need to know the language used to express different degrees of formality  . We can infer from the passage that   _  .
in Asian countries, women are equal to men in every field learning a language well is a necessity before going abroad attitudes to women vary from country to country in Japan, men are still the centre of the family