You have to cover all the extra cost caused by it.
You'll be liable for all extra cost incurred by this.
you will take on the extra charge raised by this.
楼主,我想这句话你应该是用在外贸的邮件或者相关的事情上吧!
I am afraid that you have to pay for the additional cost incurred.
You need to bear the extra money cost from it