Use it to glean a mailing or email address so you can contact the person directly.

通过名片可以收集邮寄或者电邮地址，这样你就可以直接联系对方。

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Each row contains a user ID, an email address, first and last name, phone number, and mailing address.

每行包含一个用户ID、一个电子邮件地址、姓名、电话号码和邮寄地址。

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The ability to offer an opt-in form for subscribers that would ask them for a limited amount of information such as: Name, mailing address, and email address.

提供一个可供订阅者选择会问数量有限的信息如：名字,邮寄地址和电子邮件地址的能力

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