[求助]请高手帮忙翻译！多谢！特急！

在一份造船合同中，有如下一段话，请问高手如何解释：

keeling laying to be evidenced by the builder's Stage Certificate, provided that should the option holder not declare any option by the declaration date therefor,then the option holder shall forfeit all the then remaining options without any further action on the part of the builder. 

        谢谢！

(keeling laying to be evidenced by the builder's Stage Certificate, provided that should the option holder not declare any option by the declaration date therefor,) then the option holder shall forfeit all the then remaining options (without any further action on the part of the builder. )

专业术语太多，不好意思

MM,让我来帮你吧.

 Keeling laying to be evidenced by the builder's Stage Certificate, provided that should the option holder not declare any option by the declaration date therefor,then the option holder shall forfeit all the then remaining options without any further action on the part of the builder. 

在造船厂提供船体龙骨铺设证书之后,OPTION HOLDER(合同船东)在声明日期时就不应该作出任何更改.因此,船东就要放弃所有存在的更改权,并却不会对船厂采取进一步的行动.

好久没有用中文了,大概意识应该没问题,但措辞不好.

哈,遇到同行了

偶还没有见过船,晕倒

多谢！我在银行，这是我们的一个客户，第一次接触造船业，客户的材料全是英文，专业名词看得我头大！呵呵！这份法律文书，怕自己理解有误导致业务风险，才拿来请教大家！谢谢！非常感谢！

太客气了,发挥余热而已,没想到专业在这还能用上.我的MSN: bluestargz2005(A) hotmail.com. 不懂可以再问.