But a lot of people who are on Medicaid are not sure what it is, particularly young people.
The jack knife is not sure what problem it is trying to solve, so it solves a lot of problems.
"My wrist has been bothering me a bit, I'm not exactly sure what it is but let's call it tendonitis, " the Dane said.
I'm not quite sure what it is though, apart from a terrible start to the second day of her campaign to become the Socialist Party's candidate for president.
Among them: Mobile, Advertising and marketing, Social media, Business intelligence, and Customer power (not sure what this one is, but it sounds intense).
The U.S. administration is divided on North Korea, not only because its partners in East Asia have all but ruled out the first option, but because it is not sure what Pyongyang wants.
But although the OFT has deep concerns about the stranglehold of the Big Four accounting firms over the business of auditing big companies, it is not quite sure what the remedies might be.
Not really sure what is going on there, but it warrants investigation.
If you are not sure what the problem is or how to fix it, work with someone who can help solve the problem.
"I'm not sure what the position is yet but would guess it is something in the hospitality section of the new stadium, " said Curtis.
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Not exactly sure what Best Buy is planning this year or what it is that they have to say, but whatever it is, they feel like this is a good year to be back on air.
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Sure, the growth rate might not be what it once was, but Apple is now playing in a mature market, selling products that are evolutionary improvements over their predecessor as opposed to blazing new ground and creating new categories of products as it did in 2007 when it introduced the iPhone and again in 2010 when the iPad came out.
They're getting a lot back from the sales of DVDs but they're not sure that the money they're spending on advertising is what's accounting for it as opposed to the stars' names on the box or the word of mouth.
Having tried and failed this morning to register to receive payments under Pingit, I'm not entirely sure what will be the biggest hurdles to its adoption - worries about how secure it is, or frustration at the number of hoops you have to jump through to get going.
"I'm not really sure there is an established market for this or that people do know what they're going to use it for, " said Buford.
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