But the authorities concede that the problem may persist for years.

Yes, the authority conceded, adding that "the expression, however, is obviously a colloquial one."

The older authorities conceded a vital principle, but denied a soul, to the animals.

Eventually, under increasing global pressure, the authorities conceded and Nazanin was awarded a pardon which saved her life.

But the authorities concede they face a difficult task.

The authorities in Moscow, however, have not yet conceded that republics have this right.

The authorities in Utah and Arizona conceded that the legal actions have been a long time coming.

But marine authorities concede that there has been an unusual number of shark sightings reported in the last few weeks.

As late as the mid 20th century many reputable authorities conceded it no beneficial function.

No less an authority than the White House lawyer has conceded that the President's behavior is maddening.