This suspected fighting behavior, the cannibalism finding and the massive size of these dinosaurs all indicate T. rex was a solitary predator that did not hunt in packs.

这种假象的争斗方式，同类相食的发现以及他们巨大的体型均表明：霸王龙是独行食肉动物，从不集体觅食。

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And these hours weren't entirely solitary - people often chatted to bed-fellows or had sex.

BBC: The myth of the eight-hour sleep

Even then it wasn't a flood, just a solitary drop that could not be controlled.

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As the textured "On Freddie Roach" shows, that solitary fight doesn't end upon leaving the ring.

WSJ: Jason Gay: On the Periphery of Boxing Madness; Freddie Roach, Manny Pacquaio; Floyd Mayweather Jr.