来自《耶鲁大学开放课程：金融市场 第21集 第21集》

• 
  
  What they do is they define some measure of actual interest rate
  人们需要定义实际利率的标准
• 
  
  and it could be something like LIBOR, the London Interbank Offer Rate;
  比如像伦敦银行同业拆放利率
• 
  
  it's just an interest rate that's defined by an agency in London.
  这只是伦敦一个中介机构定义的利率
• 
  
  They have a website and you can read it.
  他们有网站你可以去看看
• 
  
  It's a well-known, well-defined interest rate.
  这是个广为人知且定义明确的利率
• 
  
  So, you could say, three-month LIBOR is the interest rate,
  于是你会说 将三个月的LIBOR作为利率
• 
  
  90 days in the future--D would be 90 and so,
  未来90天...D可以是90天 那么
• 
  
  what the contract specifies--
  合约中明确了...
• 
  
  it also specifies a contract amount, A, and B is actually usually 360,
  合约也会明确合同总额A B通常是360
• 
  
  but sometimes they'll say 365.
  但有时也会是365
• 
  
  You can write whatever you want in these contracts,
  你可以在合约中约定任何东西
• 
  
  but this is standard--typically 360 days.
  但这个是标准的...通常为360天