1+1+1+1.+1+n=?

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• 1+1+1+1.+1+n=?
• 1+1+1+1.+1+n=?
• 问一道宏观经济学的英文考试题Suppose that you are a lender.The real interest rate (r) now increases from 2% to4%.Explain how this event will affect the fraction of income you choose toconsume and to save.Assume that you have to save to finance your retirement andthat your goal is to have $1 million by the time you retire (65 years old).假设你是一个贷款人.实际利率（R）现在增加2％至 4％.解释这一事件将如何影响你选择收入的比例为 消费和储蓄.假设你已经保存到你的资金到退休的时候,并且那时候有100万美元（假设65岁退休）.
• be of great difficulty有这么表达的吗?