什么是 outline?A line marking the outer contours or boundaries of an object or figure.The shape of an object or figure.A style of drawing in which objects are delineated in contours without shading.A sketch done in this style.A general description covering the main points of a subject: an outline of American literature. A statement summarizing the important points of a text.A summary of a written work or speech, usually analyzed in headings and subheadings.A preliminary draft or plan, as of a project or proposal.To draw an outline of.To display or accentuate the outline of.To give the main features or various aspects of; summarize: outlined the major provisions of the tax bill.