从某一价位开始拍卖initial bid

• 昨天《三峡新移民》以600万元起拍。

  "Three Gorges: Newly Displaced Population” received an initial bid of 6 million yuan at auction yesterday.

• 英国王储查尔斯30年前写给情人的6封书信以5万英镑起拍。

  The six letters that Britain's Prince Charles wrote to his lover 30 years ago went on sale at auction with an initial bid of £50,000.