因为它们有赖于常见分组——如护照编号，出生地和出生日期——这往往是些高度结构化的序列，极易获取。
Because they depend on familiar groupings—such as passport numbers, places of birth and birth dates—they tend to be highly structured sequences that are quite easy to guess.
该数据对象有三个属性，均为php字符串：name、dob(出生日期)和pob(出生地)。
This data object has three properties that are all PHP strings: name, dob (date of birth) and pob (place of birth).
虽然大多数人都有不在网上泄露自己社保账号的常识，但很多人却觉得填写出生日期和出生地是没有问题的。
While most people have the common sense not to share their social security number online, many have no problem giving the date and location of their birth.
虽然大多数人都有不在网上泄露自己社保账号的常识，但很多人却觉得填写出生日期和出生地是没有问题的。
While most people have the common sense not to share their social security number online, many have no problem giving the date and location of their birth.
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