bid security的用法和樣例：
例句
- When submitting a bid, a bidder shall pay the guaranty bond for bidding pursuant to the bid-invitation documents.
投標人投標時，應當按招標文件要求交納投標保證金。 - The tender Security so deposited will be liable to forfeiture if the bidder fails to accept any order within the validity period of the offer.
如果投標者未能在報價有效期內接受訂單，存放的投標保證金將被沒收。
