[求助]请问啥叫OVERRIDES??急ING。。。。

MSU录取信里面的一段话，看不懂啥意思

Dual enrollment is allowed for one semester, contact me for the forms and request for the overrides. If you do not have a study plan on file, no overrides can be given.

请教各位大虾，这个是啥意思呢？？

莫非还给钱???

好像应该还是指选课优先权。。。。。