In his study , prof birrell found that 34 per cent of overseas students who graduated and got residency status in australia did not achieve the minimum level of english required for professional activity , with 43 per cent of chinese students falling short 在波瑞尔教授的研究中,他发现,毕业后获得澳大利亚居留权的留学生中,有34 %的人未能达到从事专业工作所必需的最低英语水平,其中中国学生有43 %的人不合格。