Don't is a contraction of do not, while doesn't is a contraction of does not, and they both act as auxiliary verbs. In English, don't is used when speaking in the first and second person plural and singular and the third person plural (I, you, we, and they). It can be used to make a negative statement:
cre Carbapenemase-resistant Enterobacteriaceae. A plasmid transferrable beta-lactamase (enzyme) carried by an increasing number of strains of Klebsiella pneumoniae as well as other Enterobacteriaceae.
Campus Recreation at Auraria (CRA) is a comprehensive fitness, recreational and leisure service provided to the students, staff, faculty and alumni of the Metropolitan State College of Denver, University of Colorado at Denver, and Community College of Denver.