The other main difference between cats and dogs is that heartworm can be treated in dogs, but it can not be treated in cats. (vippetcare.com)
The only main difference in a regular and email based cover letter is that the former tends to be a bit longer as compared to the later. (coverlettersandresume.com)
The other main difference with industry is the emphasis on the two - way selling process. (sciencemag.org)