When we travel to foreign countries, they are often placed in culture shock occurred because with each country has different cultures, that we don't know and probably will miss home. Moreover, it may cause more depressed as possible.
When we have to go abroad often, it may be a culture shock, because each country will have a different culture, that we may be unfamiliar and homesick. Moreover, may become depressed, it is possible.
When we have to go abroad can often be born culture shock always, because of the country have different cultures, which makes us unfamiliar, and symptoms may be homesick.