therewith       
adverb  old use or formal uk/ˌðeəˈwɪð/ us/ˌðerˈwɪð/
 与此,与之;此外,又
with that; with something that has been previously mentioned
  I can truly say that in the three years during which you have administered the General Post Office, I remember no single complaint against you in connection therewith. 我可以诚恳地说,在你管理邮政总局的这三年里,我不记得有任何针对你的有关投诉。 
 - More examples
 - Put the oranges in a pot of honey until they be quite covered therewith, and boil on a slow fire.
 - The Governors will require that the School Buildings and premises connected therewith be kept up and in a good state of repair.
 - As will become evident below, it was precisely the size of the market that significantly influenced husband and wife partnerships, and therewith the position of women in retailing.
 - The court also found that the statute prescribed a standard sufficiently definite to be understandable to the average person desiring to comply therewith.