written and spoken language

• 文字语言

written and spoken language的用法和样例：

例句

1. A good understanding of personas and their mental models should provide a solid foundation for both the textual and visual language used in an interface.
   对人物角色及其心理模型的理解为界面中使用文字语言和视觉语言奠定了坚实的基础。