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Is it possible to use "to remain on the surface" figuratively, i. e. in the sense "superficially"?? If you find more mistakes in my sentence, please tell me..
"It is to expand the recent research done on the BOHM, which expresses new and important ideas, but remains often on the surface and does hardly include secondary literature in its discussions."
remain on the surface 
Re: remain on the surface 
Linear Mode
