On the one hand, there has been many factors that encourage more and more students to expose to a better environment. First and foremost, they are able to study in prestige educational institutes, which results in a better employment oportunity after graduation, or even they can be employed in a global company while they are studying. Another reason for this, they can have a better standard of livings, when it comes to residing in developed nations, leading to safety and higer happiness level due to friendly environment. Moreover, if they get educated in a foreign countrie, they are likely to get to learn more about multi-cultural society, and they tend to benefit from such language skills, which helps widen their perspectives.