Because the EU current treaty prohibits to help member is country

The so-called"limited" modification is to join two words in 《treaty in Lisbon 》 , namely"take euro as member is country of our country currency can establish a set of stable mechanism, while having no alternative, start for supporting a whole stability of euro area but.Provide any public finance requested to support according to this mechanism, all have to additional and strict condition".
Don,t despise these two words, they solved euro area to build up a permanent sex crisis should to the law perplexity of mechanism.Because the EU current treaty prohibits to help member is country, so when the Greece fell into an obligation crisis in the beginning, EU seemed to be at a loss what to do, this was thought to turn worse a crisis to spread, also exposed a"was hard to harm" of an euro system.