One vision of the perfect city of the future is a place that offers easy access to air travel.
理想未来城市的愿景之一是能提供方便的航空旅行。
2
For hot desert locations with access to seawater, a new greenhouse design generates freshwater and cool air.
对于能够接触到海水的炎热沙漠地区，一个新的温室设计可以产生淡水和冷空气。
3
Even the middle class has access to penicillin, air travel, good cheap food, the Internet, and cable TV, not to mention a heart bypass operation, if needed.