Germany could go back to the deutschmark, but Greece cannot go back to the drachma.
FORBES: A Tax Plan That Will Reverse Greece's Ugly Implosion
There is pressure for more cuts in interest rates but they cannot go much lower.
We are told that while states cannot go bankrupt but local municipalities can.
FORBES: Business Illusionist Donald Trump Perfect For President
But this cannot go on indefinitely and eventually consumers can either afford to buy no more or they must default.
FORBES: The Great Recession: How We Got Here (and How to Get Out)
With no running water or toilets and not many berries, some have been trying to leave but cannot afford to go.
ECONOMIST: Foreign workers in Sweden: Berrypickers, unite! | The
At this level what we do is just respond to the complaints, investigate it and submit our report, but we cannot go and stop the fighting, no.
They can challenge the findings of that review, but they cannot go to court and say they were mistreated or they're not an enemy combatant, or this, that or the other.
After all, runs the argument, you can take in a fake Paris or Venice after clearing the tables in Vegas, but you cannot then go and roast on a real beach.
Continued pressure requires continued build-up of military forces, but this clearly cannot go on for ever.
Mr. Bernanke is at best the man on the bobsled, he can steer it a bit right or left but he cannot make it go uphill.
FORBES: Production Of Iron Ore, Copper, Coal Falling, Is Goldman Sachs Wrong?
But the project cannot go ahead without UK government support.
This is partly because he doesn't go out on the pull, but also because he cannot trust people as they might go and sell the story.
If a newspaper refuses the council cannot punish it directly, but can go to court to ask for the paper to be fined.
The signal is clear: There is a line in the Senate, up to which the revolution must march in order to satisfy the right, but beyond which it cannot go.
That suits Mr Nazarbaev just fine, but clearly such political innocence cannot go on for ever.
Higher education cannot make college rankings go away, but increased transparency and cooperation could lead to rankings that better promote true academic quality than any that have come before.
"We were due to fly out of Krasnoyarsk by military cargo plane but because of the celebrations we cannot go until Thursday morning, " said Ms Daniels, from Whimple, Devon.
BBC: NEWS | UK | England | Devon | Mum set to start polar ski trek
To use a different metaphor, the Federal Reserve is like the team captain on a bobsleigh, he or she can turn the sleigh left or right a bit or put on and release the brakes, but he or she cannot make the sleigh go uphill.
We know we will miss him but you cannot stop a player who wants to go.
Winston Price, president-elect of the National Medical Association, an African-American physicians group, said that the current system--where patients might go to the doctor but then cannot afford drugs--is akin to sending people upstream in a canoe without a paddle.
Mr Westerwelle said Germany was in Afghanistan to defend its own security - "that is why this mission is right, but it is also right that it cannot go on forever", the Associated Press news agency reported him as saying.
BBC: Germany's Merkel makes unannounced visit to Afghanistan
But there is no spot market: you cannot go to Toyota with your lanthanum and say, well, you use lanthanum in your batteries, buy mine!
"But as a human being I cannot tell them 'Go hungry' at a time when I am not able to provide them with jobs, " he says.
But if they cannot, Clinton should summon the will to go ahead without them.
But at least they may be realising that things cannot go on like this.
Earlier, pakistan's Supreme Court ruled Friday that the country's presidential elections can go ahead Saturday, but stipulated the results cannot be ratified until legal challenges are cleared.
It works both ways of course - why should a manager be able to walk out of his contract to go to another club when a player cannot - but the whole problem is that the contracts that managers sign are not worth the paper they are written on.
At the moment, Costco cannot buy directly from out-of-state vineyards, but must go through Washington's three-tier distribution system, complete with mandatory mark-ups.
ECONOMIST: If you liked the film ��Sideways��, you'll love this ruling
应用推荐