2、ionalletters.Therearetwobasicstylesofletters:blockformandindentedform.Thesamplesbelowwillhelpyoudeterminewhichstyleyouprefer. BlockForm YourName Address PhoneNumber E-mail(optional) Date NameofReceiver Title CompanyName随着信息化和全球化的发展,国家及地区之间的贸易也已成为拉动一国经济的三驾马车