Below is a table showing the sources of income of college students. Look at the table and write an essay of about 120 words making reference to the following points:
1. the sources of income of both the Australian and Chinese students
2. the possible reasons for the differences
Sources of Income of College Students

A．They are just as the same as other American students.
B．They can adapt themselves to the student-centered way of teaching.
C．They lack independent thinking and creativity.
D．They are excellent students.

A．Absence of natural enemies.
B．Resistant bark and damp climate.
C．Isolation from the land.
D．Cool and foggy climate.