regrettably

If you regrettably feel that we left you down, you can of course request a refund for your order." As far as I know, they didn't state they would proceed with the request, only that you can "request" a refund.

Perhaps they don't end up in the news because their services actually work; regrettably, this means they may never become "heroes" the way Levison did.

It is a regrettably rare biologist who wants to go near those papers. It is manifestly not the work of traditionally trained biologists.

Anyone who arrogates to him or herself the authority to say what is and is not meditation is regrettably mistaken.

Also regrettably, the Admin's Noticeboard - which I founded - seems to be a hotbed of intrigue and oftentimes is more a hindrence to the project than a help. It's still necessary, but I suspect that it has centralized power far too much.

Your use of past tense in referring to Gitmo and extraordinary rendition is, regrettably, unwarranted.

I'd love to see this project succeed, and I admire its attempt to recruit funding through a novel means, but the pricing seems too steep, and the overall quality of the pitch is regrettably poor.

I've adopted an "only fly when I have to" policy, which meant 6 hour drives replaced flights to New York, but there is regrettably no way of avoiding all my business travel in lieu of driving.

They could explain that, regrettably, the journal issue I seek is currently missing due to a recent theft, and assure me that they are working as fast as possible to recover the stolen documents.