举例:USC:“Your financial statement of support must indicate proof of funding dated within nine months of your intended first day of classes.”
(财产证明是开学前9个月以内的就可以)
UIUC:“The statement must show sufficient funding for one year’s costs (or amount of sponsorship for one year), must be dated within one year of submission” (财产证明是递交前一年内的就可以)