some   time   know   while   doing   always   inside   special   hands

Every country has its own customs（风俗）and traditions. A custom is a special way of  something. A tradition is a custom that is passed down over    .These customs and traditions make different cultures in different countries.We should   about other people's customs and cultures. And we should     respect(尊重) them.
For example, in America, people wear their shoes in their homes. But in    Asian countries like Japan and Korea, people take off their shoes before going     their homes.
In  many Asian countries, people use chopsticks    Americans and Europeans eat with forks and  knives. But in India and some other countries, people often eat with their  . There are many  other differences. But all of these cultures are   . We should try to know and learn about them.