Well,there are several advantages and disadvantages of travelling abroad.people go abroad for different purposes.let me take this matter in general:
* we get a chance to explore a new place.
* we can interact with different people of this new place.
*we get to learn various cultures and traditions.
*we get to learn new languages.
*some people cannot adjust with the people and even the vclumate of the place.
* a huge amount of money is needed to travel abroad.