求翻译：英国于19世纪前期在主要城市设置邮政机构，采用邮票形式作为邮资(寄递费用)已付的凭证，为大众寄递各种邮件，是现代邮政的开始。是什么意思？

Britain in the early 19th century set the postal sector in major cities, using a postage stamp in the form (posting and delivery fees) paid certificate for the public posting and delivery of mail, is the beginning of the modern postal.

The British in the 19th century postal agencies pre-set in the main cities, used as postage stamps form (Mail delivery costs) has been paid to the general public, and proof of delivery of mail, and the modern postal start.

England in the 19th century earlier periods in the main city establishment postal service organization, uses the postage stamp form (to send as the postage hands over expense) already the certificate which pays, sends for the populace hands over each kind of mail, is the modern postal service start.

United Kingdom in the early 19th century in major cities set up postal agencies, using stamps as postage (delivery charges) are prepaid vouchers, and delivery to the public a variety of messages, is the beginning of modern post.

Britain set up the postal organization in the main city in earlier stage of the 19th century, adopted the stamp form as the evidence paid of the postage (sent and passed the expense), send and pass various mails for the masses, it is the modern and postal beginning.