Companies are pushing the technology hard but make it almost overwhelming even to dip a toe in the water for the average consumer, because there are so many compatibility issues to think about.

各家公司都在大力推广这项技术，但对普通消费者来说，即使是简单试水也几乎无法承受，因为他们需要考虑太多的兼容性问题。

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Around the beginning of the 20th century there were actually some primitive solar water heaters on the consumer market.

大约20世纪初，消费市场上出现了一些原始的太阳能热水器。

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Consumer goods, food and water were returning to markets.

消费品、食品和饮水重新出现在市场上。

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Until Ofwat stopped it, Kelda, the Yorkshire water business, hoped to hive off its water assets into a consumer-owned mutual.

ECONOMIST: Water companies mop up capital and leak profits

And another 50-60% in consumer use, in people using water to wash clothes, for example.

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Of course selling a fridge once or twice in the lifetime of a consumer is not the high recurrence business model of sugar-water vendors targeting impressionable children and exploiting their apetite for sugar and instant gratification.

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