A.環(huán)境分析 B.市場(chǎng)需求分析 C.產(chǎn)品分析 D.營(yíng)銷(xiāo)分析
A.文案法B.訪問(wèn)法C.實(shí)驗(yàn)法D.觀察法
A.接觸性問(wèn)題B.實(shí)質(zhì)性問(wèn)題C.敏感性問(wèn)題D.補(bǔ)充性問(wèn)題