And it's all happening at an extremely low cost because the solution leverages existing resources.

这一切只需要投入极低的成本，因为解决方案利用了现有的资源。

If AI can help target existing teaching resources better, the beneueable.

如果人工智能能够更好地帮助定位现有的教学资源，那将是有益的。

There's an unbelievable power imbalance, and they are using that power to get more of the existing resources and more of the existing power.

存在着令人难以置信的权力不平衡，他们正在利用这种权力来获得更多的现有资源和更多的现有权力。

Second, starting this year, we're leveraging existing resources at the National Science Foundation and the Corporation for National and Community Service to train more great teachers for these courses.

其次，从今年开始，我们要逐步增加国家科学基金会和国家与社区服务协作中心的现有投入，在这一领域培养更多的好老师。

Nowadays energy is too expensive to waste. It costs the country, and you, too much. What have you done to conserve existing energy resources?

现在能源太贵了，不能浪费。它花费了国家，而你，太多。您为保护现有能源资源做了哪些工作 ？

Excellent team leaders either " have existing resources" or " have the energy to develop new resources" , and they also " have the ability to identify resources" .

优秀的团队领导要么“有现有资源” ，要么“有精力开发新资源” ，还“有识别资源的能力” 。