Sentence examples for but have yet failed from inspiring English sources

Several alternative solutions have been proposed but have yet failed to be widely recognised.

Certainly AR browsers have yet failed to have an impact on the day-to-day life of even hardcore enthusiasts, let alone everyday people.

Due to our limited understanding of the correlates of protection, most vaccines have been developed by a trial and error approach, and we have yet failed to deliver vaccines for important diseases like AIDS or malaria.

No big retailer has yet failed in the same overseas market twice.

In any case, they note, no Asian government, and no Asian company whose bonds ever held an investment-grade rating, has yet failed to pay bondholders on time.

The outstanding issue for Romney, though, is that he has yet failed to break through in a state that doesn't favor him demographically.

Although no Iranian president had yet failed to win a second term, observers considered the popular Mousavi a serious challenger to Ahmadinejad.

Although no Iranian president had yet failed to win a second term, as the 2009 presidential election approached, some observers believed that Ahmadinejad's economic policies and his confrontational style abroad might have rendered him susceptible to a challenge.

If he doesn't he could well find himself failing to reach the potential he clearly has, yet fails to utilise.

The US and Russia had committed to destroying their arsenals by 2012 but have as yet failed to do so.

It consulted last year on the possibility of criminal sanctions for directors of failed banks but has yet to publish its conclusions.