Additional protection can be attained by following best-practice systems, concentrating on the job at hand, and by not becoming distracted.
而除此之外，还应遵循最佳方法系统，注意力集中在手边的工作并做到心无旁骛。
The central meaning Shared by these nouns is. Skill in doing or performing that is attained by study, practice, or observation.
这些名词共有的中心意思是。在作或执行时通过学习，操练或观察所获得的技巧。
The practice also shows that it is a wise policy decision to boldly absorb and use for reference all the achievements of civilization attained by mankind.
实践也证明大胆吸收和借鉴人类社会创造的一切文明成果是英明的决策。
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