这张优惠券的有效期是一个月。

The period of validity for this coupon is one month.

这张票的有效期到明天为止。

The period of validity for this ticket is until tomorrow.

请在有效期内使用您的会员卡。

Please use your membership card within the period of validity.

你需要在护照的有效期内完成旅行。

You need to complete your travel within the period of validity of your passport.

药品的有效期已经过了，请不要再使用。

The period of validity for the medicine has expired, please do not use it anymore.

我认为结婚证应该设定有效期.

Should marriage certificate be enacted period of validity?

公司可在原定的投标有效期满之前向投标人提出投标有效期延长到另行规定时间的要求。

Period, the company may request the tenderers for a specified extension of the period of validity .

持卡者须在有效期前到俱乐部交纳相应手续费。

E. The people who hold the card must pay commission charge before period of validity.

持卡者须在有效期前到俱乐部交纳相应手续费.

E . The people who hold the card must pay commission charge before period of validity.

如果在规定的开标时间后，投标人在投标有效期内撤回投标，其投标保证金将被贵方没收。

If the bidder revokes its bid during the period of validity of bidding after the stated bid opening, his bid bond shall be confiscated by your part.