美国以其广阔的能力，能够在其境内容纳地球上所有的人口。
The United States, in their expansive capacity, are capable of containing within their limits the whole population of the earth.
Investing in renewable energy and cleaner technologies is part of our commitment to a sustainable future.
预测未来的最佳方式是通过大胆而负责任的行动去创造它。
实现不可能的唯一方法是相信它是可能的。
资源开发要兼顾经济效益与生态保护，实现可持续发展。