We can offer you a price of 8 pounds per item, from 20 days, after which the price will be subject to an increase of 5%.
我们给您报价每件8英镑,有效期20天,过期价格增加5%。
Needless to say, the bigger the risk an insurance company takes, the higher the premium you will have to pay.
不用说,保险公司承担风险越大,你付的保险费也就越高。