You know how you can block those newsletters that you never signed up for by sending an e-mail with “unsubscribe” in the body?

你知道，要拒收你从没预订过的新资讯，只需回复邮件，正文写着“退订”就行。

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IBM believes that Web services are a key building block for the next generation of e-business, e-business on demand.

IBM确信Web服务是下一代电子商务——随需应变电子商务(e - business on demand)的关键构件。

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And to qualify for a federal Title IV-E block grant, agencies must generate performance metrics on a daily basis to prove that the allocations are creating the desired effect.

要获得联邦Title IV - e固定拨款，这些机构需要生成每日业绩指标来证明拨款正在实现预期效果。

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This week,the United Arab Emirates announced it would block BlackBerry e-mail,web browsing and instant messenger services on October eleventh.

VOA: special.2010.08.06

The agency lost a legal battle with e-cigarette companies in 2010 after trying to block imports of e-cigarettes and has been sceptical about claims they are not harmful.

CNN: Sales of e-cigarettes continue to soar

E-businesses using anti-fraud software now block about 8% of all transactions.

ECONOMIST: Computing

He emphasized that Spamhaus doesn't have the power to block e-mail from anyone -- they merely make their data available for service providers and other Web companies to use.

CNN: Massive cyberattack hits Internet users