A.己方B.對(duì)方C.第三方D.交易本身的性質(zhì)決定E.雙方
A.知識(shí)B.才能C.學(xué)歷D.經(jīng)驗(yàn)E.個(gè)性
A.一般性問(wèn)題B.重要的問(wèn)題C.難以解決的問(wèn)題D.容易解決的問(wèn)題E.焦點(diǎn)問(wèn)題