There is usually a good deal of turnover in species composition, even in a mature community.

即使在一个成熟的群落中，物种组成通常也有很大的变化。

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At the end of the Construction phase, the project is evaluated against the following criterion: the method is stable and mature enough to be deployed in the practitioner community.

在构建阶段结束时，这个项目是按照以下标准来评估的：在从业者社区这个方法足够稳定成熟，以至于可以在社区中进行配置。

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XML is certainly near the transition from a rough frontier-land to a mature technology run by a mature community.

当然XML已处于从一项简陋的前沿技术转变为由成熟社区管理的成熟语言的时刻。

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Living in a community of 40 or more residences my experience is that mature debate is impossible.

BBC: Local neighbourhood groups to get planning powers

Students walk onto campus motivated and more mature, bringing burning questions to the classroom and a budding spirit of social entrepreneurship to their community.

FORBES: 3 Ways Colleges Can Build a Bridge for Future Leaders