Abstract vector background. For web and mobile applications, illustration template design, creative business infographic, brochure, banner, presentation, concept poster, cover, booklet, document. 抽象矢量背景。对于 Web 和移动应用程序、插图模板设计、业务信息图、小册子、创意横幅、演示文稿、海报、封面、小册子、文档