consultant [ kEn5sQltEnt ] (n.) one that gives expert or professional advice咨询官

[例]  She is the No.1 marketing consultant , esp. in promotional strategies.

 consumables [ kEn5sju:mEblz ] (n. pl) goods which are used up in the production

n process消耗品

[例] In order to get final products, we must use up a lot of consumables in the production process.

 consumer [ kEn5sju:mE ] (n.) person who buys goods or services消费者

[例]  In this theory the consumer is assumed to be rational.

 consumer behavior purchasing patterns of consumers 消费者行为

[例]  Before we enter this market , we should make a research into the consumer behavior .

 consumer durables expensive items which last a number of years耐用品

[例]  Refrigerators and washing machines belong to consumer durables.