So why are you touting the dubious virtues of chain restaurants that serve diners gargantuan portions and waste resources by shipping food from far and wide to places like the New York metropolitan area that do not need these corporate drains on our society.
But today, audiophiles have retreated into a rarefied world where reviewers extol the dubious virtues of $2,000 cables, $20,000 amplifiers and $50,000 speakers, rather than focus on products that offer cost-effective improvements for the music-loving consumer.
While esprit de corps may be commendable in certain circumstances, in others it must be a dubious virtue.
Such (dubious) virtue has brought no reward: Spanish 10-year yields are once again within a whisker of 7%.
There are few things Tarantino enjoys more than being part of an audience that is falling in love with an obscure genre movie of dubious virtue.
The artists are all male, but their work suggests an almost maternal gift for attunement, and, even when the subject is nude (Rembrandt's "Susanna"), or of dubious virtue (Jan Steen's "Girl Eating Oysters"), she exists inviolably in her own sphere, possessed of her own dignity: the beholder's gaze may interrogate her mysteries, but it can't reduce her to an object.
But her attentions are consistently diverted into maintaining an increasingly madcap plot that includes a generous benefactor of dubious virtue, the high-profile trial of a Nazi film-maker, an international terrorist conspiracy and the skeletons in Natasha's own family cupboard.
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That experience eight years ago appeared to have left Cavendish dubious over the virtues of pulling out early, but in truth, with a career tally of 30 stage wins and second only to the legendary Eddy Merckx on 34, he has little more to prove between Berne and Paris.
The facts are there for everyone to see: Hamas is an internationally recognised terror group, which has earned that dubious title honestly, by virtue of dozens of suicide bombers, exploding buses and thousands of rockets.
Suffice it to say that Ernst is an angry and bitter man; that he directs much of that bitterness at political leaders and much of it at himself; that he grows attached to Michael; and that, despite Michael's sometimes dubious methods, he finds virtue in Michael's fight and sense in Michael's madness.
