The challenge is to scale up and globalize these effective prevention strategies by encouraging and supporting countries and communities.

如何通过鼓励和支持国家与社区努力加强这些有效的预防策略并使之成为全球普遍的行动，则是我们所要解决的问题。

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In this regard, many countries can learn from China's successful experience in effective resource utilization and in large scale poverty reduction.

在这方面，很多国家可以学习中国在有效利用资源和大规模减贫方面取得的成功经验。

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Collaboration is also made difficult by the size of many development efforts, where you need effective mechanisms for managing large-scale interaction.

协作也会因为许多开发工作的大小而变得困难，这些工作可能需要管理大规模交互的有效机制。

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Moving forward, we must continue to focus on populations with the highest HIV disparities -- including gay men, and African American and Latino communities -- and scale up effective, evidence-based interventions to prevent and treat HIV.

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This highly integrated system-on-chip enables a cost-effective design for mid- to high-level infotainment systems and can scale to add the functionality of an external applications processor.

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