speculates

v.

to believe especially on uncertain or tentative grounds

同义词：theorizetheoriseconjecturehypothesizehypothesisehypothecatesuppose

talk over conjecturally, or review in an idle or casual way and with an element of doubt or without sufficient reason to reach a conclusion

reflect deeply on a subject

"philosophers have speculated on the question of God for thousands of years"

同义词：chew overthink overmeditateponderexcogitatecontemplatemusereflectmullmull overruminate

invest at a risk

同义词：job

The scientist speculates
The Scientist Speculates
The Scientist Speculates
The Scientist speculates :
Herodotus Speculates about Egypt
In The Scientist Speculates; Good, I.J., Ed.;
The Scientist Speculates: An Anthology of Partly-baked Ideas
THE UNBUTTONED EMPIRICIST: VAN FRAASSEN SPECULATES ABOUT THE QUANTUM WORLD
Interacting Trajectories in Design Space and Niche Space: A Philosopher Speculates About Evolution
Interacting Trajectories in Design Space and Niche Space: A Philosopher Speculates About Evolution