Cách sử dụng
The word "abstract" is used when talking about ideas or concepts that are not physical or tangible objects. It means something that is not concrete, but more like a thought or a feeling. For example, a painting can be abstract if it doesn't look like anything in the real world. In science, abstracts are summaries of research papers that explain what the study was about and what the results were. In general, "abstract" means something that is not concrete or specific, but more like a general idea or concept.