Researchers believe wide availability of cheap food is one of the main drivers.

研究人员认为，廉价食品的广泛供应是主要驱动力之一。

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But more importantly, many researchers believe that MSR is indicative of other advanced cognitive abilities.

但更重要的是，许多研究人员认为，MSR 反映了一些其他的高级认知能力。

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The crisis was completely unexpected, but researchers believe it had nothing to do with impacts of fisheries.

这场危机完全出乎意料，但研究人员认为，它与渔业的影响无关。

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From this find and others made in the area, the researchers believe that music was important in the Aurignacian culture of southwestern Germany.

VOA: special.2009.08.18

Some researchers believe that bio-printers may one day be able to print organs directly into the body.

VOA: special.2010.10.19

Researchers believe the increase in heart rate might demonstrate what they call the fight or flight response.

VOA: special.2009.08.18

The researchers believe a person's immunological parameters could provide an indication of their true biological age.

BBC: Biological clue to why women live longer than men

The researchers believe obesity may increase the risk of pancreatic cancer by affecting insulin levels.

BBC: Obesity 'hikes' pancreatic risk

Researchers believe its short arms and large claw show how bird-like dinosaurs evolved independently of birds.

BBC: New dinosaur discovery solves evolutionary bird puzzle