### Chinese: 其次在选择之前打探一下这个培训机构，最好可以打探一下这个机构出来的学生，毕竟只有机构的学生才知道这个机构到底怎么样，讲解的课程是好或者不好。
### English: Secondly, <v>check out</v> this training institution before choosing it. It is best to check out the students who come out of this institution. After all, only the students of the institution know exactly what the institution is like, and whether the courses explained are good or bad.
### Errors: There is a minor style/awkward error at "check out" within <v></v>.

### Improved English: Secondly, you shall do some research on the agency before choosing it; it’s best to contact former students of the agency; after all, only students know how the agency really is and whether the curriculum is good or not.
