A.AM B.DM C.DA D.AD
A.Germany B.Canada C.Russia D.Australia
A.競(jìng)爭(zhēng)策略 B.市場(chǎng)調(diào)查 C.協(xié)調(diào)營(yíng)銷 D.市場(chǎng)細(xì)分