invitation to bid and tender的用法和样例：
例句
- Qualification of construction enterprises should be strictly controlled and tendering and bidding system should be implemented.
严格施工企业资质管理，严格执行招投标制度。 - The unreasonable valuating style of tender and bidding is the key factor, which affects the interest of the tenderee and the fair competition among the bidders.
招投标计价方式的不合理是影响招标人利益和投标人之间公平竞争的关键所在。
