His speciality was quality control.
他的专长是质量的管理。
Speciality qualities, sense of responsibilities of librarians determine serve quality.
馆员的专业素质责任心决定服务质量。
The quality reason to the detail, the detail comes speciality.
品质缘于细节，细节来自专业。
The quality reason to the detail, the detail comes speciality.
品质缘于细节，细节来自专业。
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