商务英语常用单词 insurance 保险mortgage 抵押allotment 拨款short term credit 短期信贷consolidated debt 合并债务funded debt 固定债务,长期债务floating debt 流动债务drawing 提款,提存aid 援助allowance, grant, subsidy 补贴,补助金,津贴cost 成本,费用expenditure, outgoings 开支,支出fixed costs 固定成本overhead costs