Demonstrates proficiency in most areas of the professionalfunction and in-depth specialization in some.
在大部分专业领域能熟练地展示出专业知识和能力，并在某些领域能达到精通。
2
The professionalfunction, value and essence of social work among teenagers ensure the suitable application of narrative therapy in its practice.
青少年社会工作的专业功能、价值和实质保障了在其实务范域中应用叙事治疗的适切性。
3
All professionalfunction testers have their favorite problem areas on which they concentrate, such as bounds testing, stress testing, and common path testing.