He obtained a paper qualification in education, which is required for teaching at the high school level.
他获得了一个教育领域的书面资格证明，这是在高中教学所必需的。
Many employers value paper qualifications as they provide a standardized measure of competence.
许多雇主重视书面资格证明，因为它们提供了一个标准化的能力衡量标准。