有效期 的中文句子和英文句子

这张票已过了有效期，现在作废了。

This ticket has passed its expiration date, and so it is now invalid.


投标人有权拒绝延长投标有效期限并不会因此而失掉其投标保证金。

Bidder shall have the right to refuse to grant such an extension of validity of bid without forfeit their bid bond.