Chapter iv: areas of scenario is the type of content of speechlevel, the scope of space between the typical scenario is divided into areas of atypical areas of scenarios and situations.
第四章：范畴情景是言语层面的内容类型，将空间关系范畴情景划分为典型范畴情景和非典型范畴情景。
2
Speech may not be sustained at a consistent level throughout.
语言运用可能无法始终保持在同一水平。
3
Juan realized then that he must present his speech at an elementary level and with a minimum of scientific language.