Although desalination plants that remove salt from saltwater now exist , they remain expensive .

尽管目前存在为海水脱盐的海水淡化厂，但其代价仍然很高。

He launched a businesstaking care of large saltwater aquariums owned by wealthy clients afterhe graduated .

大学毕业后，他投身于一项为有钱的主顾们打理大型海水水族馆的生意。

Both tepco and government officials had good reason not to use saltwater , mr. omoto added .

尾本彰说，不管是东京电力还是政府官员，他们都有充足的理由不使用海水。

He also built a saltwater swimming pool with views of the tea-covered hills and planted a 12000-bush rose garden .

他建造了一个海水泳池，在泳池边上能观赏到种满茶树的山坡，他还栽种了12000棵玫瑰。

The trouble is that , like saltwater , none of these sources is easily tapped .

问题是，这些能源就像海水一样难以开发。