From the little that is known of kouprey social organization (there are none in captivity, and they are only fleetingly observed in the wild), it appears the same as in other Bos species.
24 Under most circumstances, however, FCCs are only fleetingly observed intermediates of chlorophyll breakdown.
48 As described above, FCCs are only fleetingly observed products of chlorophyll breakdown and are believed usually to isomerize to nonfluorescent chlorophyll catabolites in a rapid nonenzymatic process in the acidic vacuoles.
As a rule, FCCs exist only "fleetingly" and are hard to observe.
She also gives us lovely cameo portraits of A. J. Liebling and Walker Evans, more family friends with whom she spent time during their trips to London, and wry glimpses of the novelists Henry Green and Graham Greene, whose eccentricities she observed up close, if fleetingly, in the course of her adventures among the literati.
Zhou delights in pointing out what makes the masters masterful, such as Akira Kurosawa's composition, and the way David Fincher and Chuck Jones lead you through a narrative, but this falls in the same category as In Praise of Chairs, which, too, observes a larger trend that you may have fleetingly thought about but is expertly articulated by Zhou's disembodied voice. .
Much fiction, by contrast, offers an excess of the outer life, of observations that only fleetingly suggest the internal depths of the people who are observed — and who flatten the narrator's perspective to serve the needs and contours of the observed action and its dramatic scheme.
The Higgs will probably never be observed directly, but scientists at the LHC have been looking for a Higgs that fleetingly exists in this soup of particles.
While we frequently see images from Mars, Jupiter and Saturn, Uranus has only ever been fleetingly visited by one space craft, Voyager 2. But that was in 1986 and it only observed a "featureless haze" of dense clouds.
