There is an obvious analogy between operant conditioning and evolution by natural selection.
The most obvious analogy that springs to mind is the United Kingdom 60 years ago.
For the Internet, the most obvious physical analogy is television.
There are few obvious analogies between endurance cycling and professional golf.
The obvious analogy for these shapes is of shafts of light.
Tools, after all, extend the very possibility of humanity as productive agent, and thus make for obvious analogies with biological function.
DeSalvo considered the obvious analogy to his career.
The most obvious analogy might be to a black-and-white sketch and a finished painting.
Thus, despite the obvious analogy to planets revolving around the Sun, electrons cannot be described simply as solid particles.
In the hands of such a fine writer, one would expect some small elucidation on the obvious analogy at work here.