请解释什么是折现率，并以马克杯和咖啡的例子说明其应用，同时解释其与现金流量的关系。输出请按照中文一句话一行，英文一句话一行交替进行的格式，并使用markdown语法进行排版，每句话在一个段落中，直接使用中文冒号代替中文键盘字母中间的标点符号。折现率是资金的时间价值的表现形式
折现率英文是 Discount Rate
它用于将未来的现金流折算成现在的价值
It is used to discount future cash flows to their present value
马克杯和咖啡的例子可以说明这个概念
The example of a mug and coffee can illustrate this concept
假设你有一个售价为100元的马克杯
Suppose you have a mug priced at 100 yuan
这个马克杯每年可以给你带来20元的收入
This mug can bring you 20 yuan of income every year
如果你用10%的折现率来计算
If you calculate using a 10% discount rate
那么这笔未来收入现在的价值将小于200元
Then the present value of this future income will be less than 200 yuan
折现率与现金流量的关系在于折现率的高低直接影响到未来现金流的现值
The relationship between the discount rate and cash flow lies in the fact that the discount rate directly affects the present value of future cash flows
折现率越高，未来现金流量的现值就越低
The higher the discount rate, the lower the present value of future cash flows
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折现率是资金的时间价值的表现形式
折现率英文是 Discount Rate
它用于将未来的现金流折算成现在的价值
It is used to discount future cash flows to their present value
马克杯和咖啡的例子可以说明这个概念
The example of a mug and coffee can illustrate this concept
假设你有一个售价为100元的马克杯
Suppose you have a mug priced at 100 yuan
这个马克杯每年可以给你带来20元的收入
This mug can bring you 20 yuan of income every year
如果你用10%的折现率来计算
If you calculate using a 10% discount rate
那么这笔未来收入现在的价值将小于200元
Then the present value of this future income will be less than 200 yuan
折现率与现金流量的关系在于折现率的高低直接影响到未来现金流的现值
The relationship between the discount rate and cash flow lies in the fact that the discount rate directly affects the present value of future cash flows
折现率越高，未来现金流量的现值就越低
The higher the discount rate, the lower the present value of future cash flows
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