A.需求B.欲望C.需要D.市場(chǎng)
A.生產(chǎn)觀(guān)念 B.銷(xiāo)售觀(guān)念 C.市場(chǎng)營(yíng)銷(xiāo)觀(guān)念 D.產(chǎn)品觀(guān)念 E.社會(huì)營(yíng)銷(xiāo)觀(guān)念