prescriptive
🇺🇸
/prɪˈskrɪptɪv/
🇬🇧
/prɪˈskrɪptɪv/
giving rules or instructions
The teacher used prescriptive methods to guide the students.
老师使用规定性的方法指导学生。
dictating how something should be done
Some language experts prefer a descriptive approach over a prescriptive grammar.
一些语言专家更喜欢描述性的方法而不是规定性的语法。
established by long use or tradition
The company's prescriptive policies have been in place for decades.
公司的规范性政策已经实施了几十年。