A.I’m very sorry. B.See you later. C.Have a good day. D.Bye-Bye!
A.價(jià)格策略 B.渠道策略 C.促銷策略 D.競爭策略
A.質(zhì)量 B.數(shù)量 C.爭議的內(nèi)容 D.履行期限