Although making a donation is certainly a good thing to do, Mr. Yacuturk said, the experience of performing the ritual has its own irreplaceable quality.
Today, I want to write about the irreplaceable quality of human interaction, about human presence, about human touch and about the human voice.
He has that irreplaceable quality of being able to handle British-American supply problems with tact and judgement and he is almost as familiar with the American system of supply as with the British".
For my part, the familiar and irreplaceable qualities of Janet Ross's Leaves From our Tuscan Kitchen (reissued by Grub Street, £12.99) and the remarkable description of bourgeois cooking as it should be from the 1950s, by Patience Gray and Primrose Boyd, Plats du Jour (reissued by Persephone, £10), leave our current authors standing.
What all this amounts to is that Montreal's recently self-identified foodies will finally get to enjoy the opportunity to stand in line for 20 minutes to pay $9 for a pork belly sandwich, thus catching up with the rest of Western civilisation in realising the ineffable and irreplaceable gastronomic qualities of "something that was in a truck at some point".
Helium, prized for its unique combination of physically desirable qualities, is irreplaceable for many purposes.
Applying compensatory measures for RNA degradation performed at least as well as excluding quality-flagged arrays, as judged by hierarchical clustering, gene expression analysis and Ingenuity Pathway Analysis; importantly, use of these compensatory measures had the significant benefit of enabling lower quality array data from irreplaceable clinical samples to be retained in downstream analyses.
"But it mustn't mean mature irreplaceable habitats being replaced by low-quality habitats that will take decades to develop the character and complexity of those that have been lost".
"I think it's a fascinating piece of architecture, with supreme quality and just a unique irreplaceable hillside," he said.
Belinda Chang, the wine director at the Modern in Midtown Manhattan, acknowledges that Bordeaux has become a brand name, and that it's often too expensive, but argues that its intrinsic high quality and classic appeal make it irreplaceable.
"That leadership quality, that dynamic that is Herb, is irreplaceable," Mr. Murphy said.
