But who says that you have to deliver either near-perfection or food that costs $100 a person?
The G20's commitment in 2010 to the "Seoul consensus on inclusive and sustainable growth" (pdf) did not deliver either inclusive or sustainable growth.
The performances are a scream, but as yet the evening doesn't deliver either enough laughs or sufficient shivers, at least not if you are stone cold sober.
Most people who use the web have been through exasperating searches that deliver either thousands of useless results or, even more bafflingly, next to nothing.
He failed to deliver either of the Carolinas to the party (even though he was born in the southern one and represented the northern one in the Senate).
So far he has failed to deliver either prosperity or equality: the Venezuelan economy shrank by 7percentt last year, and more than half the work force remains unemployed or is working in the underground economy.
The UK Times's Wendy Ide, meanwhile, reckons: "The film fails to deliver either laughs or scares in sufficient numbers, and the feminist pretentions are deflated the moment the two central female characters snog each other for no discernible narrative purpose".
Osborne's attempt to sidestep the issue by claiming that MacDonald's did not deliver only made it worse – Byron does not deliver either and it later emerged that Treasury staff were sent to pick up the burger from Waterloo station.
A House of Lords committee concluded a couple of months ago that the government had not provided evidence that HS2 would deliver either of its claimed benefits of rebalancing the economy and increasing rail capacity.
In short, all things to all countries.Many South Koreans have been disappointed by the decade-long rule of liberal presidents who promised much but failed to deliver either strong growth or uncorrupt leadership.
To find a bleaker view: Richard N. Haass, the president of the Council on Foreign Relations, who writes in Newsweek that "the Afghan government shows little sign of being prepared to deliver either clean administration or effective security at the local level" and argues that the U.S. involvement there is "not worth it".
