More fundamentally, do clean cook stoves address the whole problem, or only part of it?
FORBES: Where There's Smoke, There's Fire: A Call to Action for Better Indoor Air Pollution Research
Kmart is trying to be more relevant to shoppers, and a hip new ad campaign is only part of it.
But luck is always only part of it.
FORBES: Independent's Day: A Bookstore Blooms in Silicon Valley
"Camouflage nets baffle the Hun, " declared a British poster on show but vast nets were only part of it: at Tobruk, the British would decorate strategic buildings with fake shell-holes and rubble to make them look as if they had been bombed in air raids.
To be clear, this downgrading of the UK's growth prospects cannot be laid at the door of the eurozone's crisis - or at least only a part of it can.
This is only a part of it though: the noted wealth differences are larger than 35%.
Yet the fighting between northern and southern Sudan is only one part of it.
The sex was only a part of it, and probably a subordinate part of it as well.
I'm not saying he is the fastest man and will win world championships automatically as a result because speed is only one part of it - but on a lap, that man can ride faster than anyone.
Not only is it part of your civic duty, it may be the key to a pay raise.
But, important as it is to acknowledge the reality of climate disruption, it forms only part of the picture.
Locals claim that the territory of Asturias is the one and only true Spain, since it was the only part of the country that resisted Moorish occupation after the Islamic conquest of the eighth century.
Cultural diversity can be profitable but only for some firms, and only if it is part of a well-considered strategy.
The fact that much of Wall Street sees only the fat transaction fees part of it does not make it any less so.
On Quest for Rock 'n' Roll, it became clear that the music was only part of the story -- it's what lies behind it, that's equally important.
Roth would not release details of Foley's alleged molestation, saying only that making it public "is part of Mark's recovery" and that Foley would discuss it further when he is released from a center where he's being treated for alcoholism and mental issues.
While it will still make sense to have multiple layers of defense against hostile missiles in which Aegis is only part of the solution, at present it is the part of the solution that looks most cost-effective.
It was cool to be a part of it when it was only at Harvard, or only at a select group of schools, or only for college kids.
Mr Baber will tell councillors on the Health Scrutiny committee the PCH was working hard to tackle the staff shortages, that beds are only part of the picture and it is delivering the required levels of patient care.
BBC: Councillors hear of bed shortages at community hospitals
The energy secretary told MPs nuclear power was a "key part" of government's strategy towards a low-carbon future, but stressed it was only "part of the answer".
Increasing the flow of drugs into poor countries is important, but it only addresses part of the problem of developing-world disease and treatment.
FORBES: The Crisis of Counterfeits and Transparency in Developing World Medicine
This comparison reveals the unique feature of Medicare Part A: It is the only one of these programs that allows budget savings to pay for other programs and has a trust fund with real operational teeth.
FORBES: Medicare's Peculiar Budget Rules And The Fight Over Double Counting
Mr. JEFF BEALS (Political Adviser, US Embassy in Baghdad): There are broad efforts by the US government and the Iraqi government to find influential leaders in the Sunni Arab community who are able to get out the message that the political process has room in it and can only succeed when every part of the population is part of it.
Nokia points out that it's been selling huge numbers of these phones - a million a day - and it was only this part of the business which made its most recent financial results look halfway respectable.
That was only part of the reason, but it was the quickest path between the question and the next subject.
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