What is most important when launching new products, flanker brands extensions ofwell-known brands, or infrequently purchased brands; or going after an undefined target market.（）
A
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For example, it is estimated that SAS turnover rate is 4 percent compared to the industry norm of more than 20 percent per year.
Employeeswhodon’thavetheenergytopreparemealsafteralongordifficultworkdaycantakehomeapreparedmeal.
According to UK official statistics, every year about 2000 lives are lost through occupational disease or injury, about 20,000 major industrial injuries occur (e.g. skull fracture, loss of sight) and there are about 200,000 injuries resulting in a work disability of 3 days or more.
Which one is not the functions of the nonverbal communication ;（）