英语语法分析

Who is the inviter of the dinner?

谁是这场宴会的邀请人？

Prospective bidders shall promptly acknowledge receipt thereof by fax to the bid Inviter.

预期投标人应尽快以传真的方式告知其已收到有关文件。

Upon receiving the bid documents, the bid inviter shall sign for and safe-keep them but may not open them.

招标人收到投标文件后，应当签收保存，不得开启。