Focus groups are representatives of customers whose job is to provide you with information on their needs and preferences.回答
() are individuals and organizations that are actively involved in the project, or whose interests may be affected as a result of project execution or project completion.
() are individuals and organizations that are actively involved in the project, or whose interests may be affected as a result of project execution or project completion.
Actually, buyers are the group of people want to buy certain goods or services.
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