Promoting your development skills is a win-win for freelancers because not only can you find new clients, but you can improve your professional reputation and skillset.

对于自由工作者，推广你的开发技能是双赢的，因为你不但能找到新客户，还能提升你的业务声望和专业技巧。

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The other is the promoting way of teachers' professional development.

教师专业水平的提升更多地是在在职阶段获得的。

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The knowledge basis and its transference are the important prerequisites for promoting the professional development of school principals.

知识基础及其转换是促进校长专业化的重要前提。

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The European Commission will contribute 500, 000 Euros to the project promoting the development of professional self-regulatory mechanism, and supporting press freedom and freedom of information.

UNESCO: Communication and Information