bidding and purchasing的用法和樣例：
例句
- The techno-material bidding business is differing from the other trade, because of the internality character.
由于技術(shù)物資的內在特征，其有別于其它行業(yè)招標采購。 - The bid-invitation procurement entity may not compel bidders to form a consortium for joint bidding, nor may it restrict the bidders from competing with each other.
招標采購單位不得強制投標人組成聯(lián)合體共同投標，不得限制投標人之間的競爭。
