资讯
A focus group generally consists of five to 12 potential customerswho are asked their opinions in a group interview. Participantsshould fit your target market–for example, single men ages 18 ...
当前正在显示可能无法访问的结果。
隐藏无法访问的结果当前正在显示可能无法访问的结果。
隐藏无法访问的结果