If you base your self-esteem your feeling of self-worth on anything outside the quality of your heart your mind or your soul you have based it on a very shaky footing.

如果你将自尊和自我价值建立在任何内心、心智或心灵品质以外的东西上，那这个基础是很不牢靠的。

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The knowledge base of the project is formed on theories connected with working conditions and the quality of working life and empirical researches.

这个项目的理论基础由关于工作条件和工作质量的理论以及经验调查组成。

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NCAB is a leading supplier of printed circuit boards in Europe delivering solutions with high quality and precision on time to a professional customer base within the electronics industry.

NCAB是印刷电路板行业在欧洲的领先供应商，致力于提供电子行业专业客户群高品质，高精度的解决方案。

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The year-over-year change in branded contract gross customer additions resulted in part from competitive pressures and the implementation of strengthened credit standards as part of T-Mobile USA's focus on improving the overall quality of its contract customer base.

ENGADGET: T-Mobile lost more customers in Q4, will launch LTE in 2013 with AWS spectrum from AT&T

Your best bet on Facebook is to provide good quality, entertaining, relevant and productive content to your fan base.

FORBES: Could Facebook E-Mail Kill Your Brand?

Foster research on the development, use, evaluation and re-contextualisation of OER as well as on the opportunities and challenges they present, and their impact on the quality and cost-efficiency of teaching and learning in order to strengthen the evidence base for public investment in OER.

UNESCO: 2012 PARIS OER DECLARATION