huge blow to the language education sector 

they have paid full fees for their courses in advance , up to 12000 to these private schools 

The relevant legistration =相關的法律

保證＝guaratees 

financially or educationally disadvantaged = 經濟或教育上受到不良影響

racially=motivated attacks on Asian students 

full inquiry into =全面調查

mandatory imprisonment =全面監禁 

a decrease of enrolments of other Asian students 

Negatively affect Australian education exports 

發比你＝ send it to you