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.
由於技術物資的內在特徵，其有別於其它行業招標採購。 - 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.
招標採購單位不得強制投標人組成聯合體共同投標，不得限制投標人之間的競爭。
