请问这句话该怎么表达?谢谢!

A successful businessman should understand these different styles of negoiations as well as traits of various economic cultures so that to avoid misapprehend, which is also the premise of successful negotiation.

a sucessful bussinessman must know these different negotiation styles and characters of commerical culture in different countries so as to avoid misunderstanding, which is also considered as the premise for the successful negotiations

a succeessful businessman has to know well about those different styles of negotiation and the econimic and cultural chareters of every country to avoid mistakes,which is also the precondition of succeed in negotiation