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1·High costs limit many technological solutions: Water desalination, for example, is not only expensive but requires a huge amount of energy, another resource in short supply.

高额的成本限制许多解决方案：如水脱盐不仅需要高额的花费，而且要求巨大的能源，这同样也是个缺乏的资源。

2·Israel argues that the water problem should be solved by finding new sources, through desalination and water treatment.

以色列主张，应该通过海水淡化和水处理的途径找到新水源来解决水问题。

3·Today, many experts, including members of the Texas Water Development Board, recommend undertaking a major project to ensure future sustainability, such as a desalination plant on the Gulf Coast.

今天，很多专家(包括德州水发展局的成员)，建议着手一项重要工程以保证未来水资源的可持续性，比如在海岸线建设脱盐工厂。

4·People in the main cities now have enough water, thanks to desalination, though they still have to pay for it.

尽管一些主要城市的居民必须为用水付钱，但多亏海水淡化，他们得到了足够的水。

5·Far more must be done to use our existing water more efficiently, but with the world's population escalating and the water supply dwindling, the economic tide may soon turn in favor of desalination.

虽然在有效合理利用现有水源上还有许多工作需要做，但是随着世界人口的增长和水供应的缩减，海水淡化会越来越受到人们的青睐。

6·However, a new method could lead to portable desalination devices simple enough to run off solar power or a battery, but powerful enough to supply a family, or even a small village, with clean water.

然而，一种新的方法可能会导致一种便携式的海水淡化装置，它简单得足以赛过使用太阳能或电池的，然而其功能却强大得能满足一个家庭，甚至一个小村庄的清洁用水。

7·Dubai relies heavily on desalination of ocean water, although the process has high energy requirements, and the reuse of wastewater.

迪拜十分重视海水的淡化，尽管这项工程需要很多的能源，但是能够实现废水的再利用。

8·The problem is that the desalination of water requires a lot of energy.

问题是，海水淡化需要耗费大量的能量。

9·HOLD the SALT: This desalination plant in Tampa, Fla., is the biggest reverse-osmosis facility in the U.S. Image: Tampa Bay water.

留住盐分：加利福尼亚的坦帕，美国最大的反渗透海水淡化厂。

10·High costs, in money and energy, limit the usefulness of desalination as a way to provide drinkable water in disaster areas.

由于资金和能源方面的高代价，限制应用了海水淡化装置来为灾区提供洁净的饮用水。