simple interest   
  ˌsimple ˈinterest BrE  AmE  noun [uncountable]    ↑interest that is calculated on the sum of money that you first ↑invested, and does not include the interest it has already earned    ⇨ ↑compound interest
  simple+interesthu| ◎ | ['simpl'intərest] |  | ※ | danh từ |  |   | ■ | lãi đơn (lãi trả cho tiền vốn thôi, không tính cả lãi cộng vào vốn) |  
 
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