Generally speaking, there are many good institutions abroad. In order to cultivate the language environment, many classes will be taught in English.

College English majors have high requirements for English listening, speaking, reading and writing. Many times, inviting foreign teachers can get twice the result with half the effort, especially in speaking and listening.

However, foreign teachers also have to bear certain risks. For example, the treatment of professors, safety, health and so on. Therefore, universities will still be very cautious about inviting foreign teachers.