According to the author , which of the following means of communication adopted by Chinese businesses is the least desirable in terms of effectiveness ?
A.Websites
B.Social net-working sites.
C.Mail
D.Phone call
正确答案是A
According to the author , which of the following means of communication adopted by Chinese businesses is the least desirable in terms of effectiveness ?
A.Websites
B.Social net-working sites.
C.Mail
D.Phone call
正确答案是A