When receiving the email, ______ realize that they are important to the company.
A. sellers
B. workers
C. users
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This contact is part ______the after-sales service.
A. of
B. apart
C. before
This increases the chances that they’ll come ______ to make purchases or will praise their experience with the brand.
A. in
B. out
C. back
After-sale service is______
A. important
B. not important
C. unnecessary
negotiation的中文意思是______
A. 目标
B. 谈判
C. 讨价还价