根据该报告,分析师们同时提出所谓的矿石现货价格(现金价格)估计会在2010年上涨15%至113美元一吨。
The analysts also raised their estimate for the so-called spot, or cash, price of the ore by 15 percent to $113 a ton for 2010, according to the report.
The price is just the present value of that stream, discounted at the interest rate.
债券的价格就是这些现金流,以利率r为贴现率算出的贴现值
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