1. Here is how Billion City might work:
    我们来看看未来的十亿人口城市可能是什么样子：

2. A city of one billion could provide very desirable place for people to live and not even seem crowded.
    一个具有十亿人口的城市能够成为人们非常称心的居住的地方，甚至于不会拥挤。

3. All air in Billion City would be passed through a cleaning system to remove dust particles, pollen, noxious gases and other pollutants.
    十亿人口城市中所有的空气都通过净化系统来消除灰尘、花粉、有害气体及其它污染物。

4. A billion years later, the planet had cooled, and the continents and the great bodies of water had formed.
    10亿年后，这个星球冷却下来，于是形成了大陆和大片大片的水域。

5. About 3.5 billion years ago, another great change occurred.
    大约35亿年前，又发生了一次巨变。

6. "Someone may have an estate of $1 billion and he may not want a second spouse to get a payment of half a billion.
    "有人可能有价值10亿美元的财产，而他又不想让第二个配偶分得5亿美元。

7. Compare that with the mainland of China. Over the next decade, it plans to pour some $100 billion into telecommunications equipment.
    与俄国相比，在未来10年中，中国大陆计划对通信设备投入1,000亿美元。

8. Under favourable conditions, a city with a billion inhabitants could be a very attractive and exciting place to inhabit.
    在顺利的情况下，一个拥有十亿人口的城市会成为令人非常愉快和向往的居住地。

9. Only the Earth provides ideal conditions, and even here it has taken more than four billion years for plant and animal life to evolve.
    只有地球提供理想的条件，而即使在这里，植物和动物的进化也用了40亿年的时间。

10. The company announced revenues of 2.47 billion francs ($492 million),
    公司说这个季度的营业收入达24亿7,000万法郎（4亿9,200万美元）。