sealed - bid

• 密封投标

sealed - bid的用法和样例：

例句

1. Sealed bidding provides a clear, and definitive commitment, with no space for trade-off, particularly about non-price-related factors used to evaluate responsiveness of bids.
   密封投标做出了清晰明确的承诺，没有讨价还价的余地，尤其是对于用于评估标书的非价格相关因素。