B2B指的是Business to Business，as in businesses doing business with other businesses，商(shang)(shang)(shang)家（泛(fan)指企(qi)業(ye)(ye)）對商(shang)(shang)(shang)家的電子商(shang)(shang)(shang)務(wu)(wu)，即企(qi)業(ye)(ye)與(yu)企(qi)業(ye)(ye)之(zhi)間通(tong)過(guo)互聯(lian)網進行(xing)產品(pin)、服(fu)務(wu)(wu)及(ji)(ji)信(xin)息的交(jiao)換(huan)(huan)。通(tong)俗的說(shuo)法是指進行(xing)電子商(shang)(shang)(shang)務(wu)(wu)交(jiao)易的供需雙(shuang)方都是商(shang)(shang)(shang)家（或企(qi)業(ye)(ye)、公(gong)司），她(ta)（他）們使用了Internet的技(ji)術或各(ge)種商(shang)(shang)(shang)務(wu)(wu)網絡平臺(tai)，完成(cheng)商(shang)(shang)(shang)務(wu)(wu)交(jiao)易的過(guo)程。B2B是企(qi)業(ye)(ye)與(yu)企(qi)業(ye)(ye)之(zhi)間通(tong)過(guo)互聯(lian)網進行(xing)產品(pin)、服(fu)務(wu)(wu)及(ji)(ji)信(xin)息的交(jiao)換(huan)(huan)。