The rates and prices contained herein shall remain open for acceptance for a period stated in the letter for Call for Bid from the date of submittal of the bid and not subject to escalation as per SUBCONTRACT conditions.

• 投标书中所含费率和价格在招标文件所述的一段时间内（从投递标书之日起算）仍是可以商谈的，但不可以根据分包条件向上浮动。