售完为止 meaning in Chinese

tickets available from all accredited ticket agents

However , this is a limited offer and is due to close at the end of this month when stocks are expected to be exhausted
然而这是一个有限的优惠活动，有效期截至于本月底预计库存售完为止。
A restriction of ten sheets of stamps of each denomination ( viz . 250 sets of stamps ) , five serviced first day covers and five presentation packs per customer queuing will be imposed on the first day of issue on 7 october 2001 and on subsequent days until stock lasts
自邮票发行首日起，每名轮购的市民限购每十款面额的邮票张（即二百五十套）、五个已盖销首日封及五个套摺，直至售完为止。