payable 可支付的;
fare 车船费用;
bill 账单;
fee 杂费;
rent 房租;
deposit 押金;
expense 花费;
charge 收费;
shortage 不足;
expenditure 经费;finance 金融;
tuition 学费;
scholarship 奖学金;
loan 贷款;
grant 助学金;
in advance 预先;
visa 签证;
discount 打折
