【答案】By definition, phonetics is the study of speech sounds, including the production of speech, while phonology is the study of the rules governing the structure, distribution, and sequencing of speech sounds and the shape of syllables. Both phonetics and phonology are concerned with speech. Phonetics is the study of the production, perception, and physical properties of speech sounds; phonology attempts to account for how they are combined, organized, and convey meaning in particular languages. Phonetics is the study of actual sounds, that is, the analysis and modeling the speech signal; phonology is concerned with a more abstract description of speech sounds and tries to describe the regularities of sound patterns in different languages or within a language. In this sense, phonetics is concrete,