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When this pin is not connected to anything.

当该引脚没有连接到任何东西。

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Never give this PIN number to anybody else.

不要告诉任何人您的密码。

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Which is sort of a childhood nursery rhyme. And then they cut to this pig and a car with two pin wheels,

这是小时候的儿歌。然后镜头切换到猪和有风车的车，

广告泛滥 - SpeakingMax英语口语达人

This PIN-pad scheme is in some ways just a variation on fairly common ATM skimming hardware techniques, which attach to the machines and invisibly siphon off credit card data.

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In fact, this pin is more like rolling a gutter ball, as it refers to a situation in which a stock closes at a strike price on expiration day.

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Can I pin this on my board at pin spire .com?

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