As what we have signed is a fix- price contract with escalation, the price can be changed without notice.
As what we have signed is a fix- price contract with escalation, the price can be changed without notice.
由于我们所签的是一份标价伸缩合同，价格可以不经事先通知而变动。
As what we have signed is a fix- price contract with escalation, the price can be changed without notice.
由于我们所签的是一份标价伸缩合同，价格可以不经事先通知而变动。