For example, they can guess if you are male or female, how old you are, and your interests.

例如，他们可以猜出你是男是女，还有你的年龄和兴趣。

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Are you male or female? Do you prefer male bosses or female ones?

你是男性还是女性，你更喜欢男上司还是女上司呢？

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Another analyzes facial features to decide if you are male or female and your approximate age.

另一种脸部特征分析将会判定此人们的性别和大致年龄。

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Facebook could tell us if you are male or female.

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Are you male or female?

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If your nails are dirty (male or female) or you have black bits in your teeth, no one is going to take you seriously.

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