of selection）；4、 产品质量 （ quality of products ）；5、售中服务（help from salespeople）；6、商誉及公正性（reputation for integrity and fairness in
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help from salespeople
销售人员的帮助
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Returns are running less than 3%, versus 15% at retail chains, he says, because from the start salespeople can help customers choose the right equipment and install it correctly.
FORBES: Fuller Brush meets Dell Computer
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