• 商业贷款计算器帮助您计算在等额本金和等额本息的还款方式时，每一期的月供，利息总额和还款总额，计划你在使用商业贷款时如何还款。 • In its weekly survey， mortgage giant Freddie Mac reported Thursday that rates on 30-year， fixed-rate mortgages fell to 5.80 percent， down from last week‘s 5.89 percent， which had been the highest level in four months. 文中的Mortgage的意思