1. financial difficulties: the applicant can explain that his family is in financial difficulties and cannot afford high tuition and living expenses. This may include low family income, parents' unemployment and other family burdens. Applicants can explain in detail the causes and effects of family financial difficulties and provide relevant supporting materials.

2. Excellent academic performance: Applicants can highlight their excellent academic performance, such as high scores, academic honors, scholarships, etc. This can show the applicant's attention and efforts to education and the rational use of funds.