To use the service you'll need a PIN number.

使用该服务需要一个密码。

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Running on a variety of phones, Dub lets you swap business cards electronically, even with people who don't use the service.

Dub 可以在多种手机上运行，让你可以通过电子方式交换名片，甚至可以与不使用这项服务的人交换名片。

youdao

Reuse: Other applications can use the service.

重用：其他应用程序可以使用该服务。

youdao

But twitterers also use the service to get quick answers to questions or to get breaking news.

VOA: special.2009.02.06

In 1889, the German Government decided to use the postal service as an information network to create Social Security.

889年，德国政府决定将邮政用作,建立的社会保障的信息网络。

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Now, the really fascinating thing is that we have the same system today, except we don't use the postal service as the conduit anymore.

最妙的是,我们现在有同样的制度，除了我们不再将邮政服务作为纽带。

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They (or their staffers) use the service to distribute press releases and friendly editorials.

ECONOMIST: An internet craze reaches Congress

That can't be done if you need a credit card to use the service.

CNN: Why Facebook will never charge you

Financial companies also use the service to do sentiment analysis that affects financial markets.

FORBES: Topsy Adds Google Plus To Real Time Search Index