A sensible one would raise the price of coal-fired generation enough to make cleaner, plentiful natural gas an economic alternative.
一个明智的做法是提高煤电的价格以使干净的、丰富的天然气成为经济的选择。
So an alternative is to ask people how much they would pay for a safer car or kitchen cleaner.
因此，另外一种选择，就是询问人们愿意为安全程度更高的汽车或厨房洗洁精支付多少钱。
So the third point is that we have increased and will continue to increase the percentage of cleaner alternative energy sources.
第三，大力发展清洁替代能源。
Since local conditions vary, different markets need engines for different alternative fuels, together with cleaner conventional ones.
由于当地条件不同，不同的市场需要为不同的替代燃料发动机，结合传统的清洁。
He arrived at the Conference in a rickshaw powered by compressed natural gas, which is a far cleaner alternative to the fuels that make Delhi one of the most polluted cities in South Asia.
他乘坐由压缩天然气驱动的三轮车参会，这种能源是化石燃料的更为清洁的替代品，而化石燃料使德里成为南亚污染最重的城市之一。
It seems there is a greener alternative to traditional dry cleaning but at a high price - AND you have to know enough to ask what methods your dry cleaner is using.
似乎是有绿化取代传统的干洗，但在一个较高的价格-和你必须知道不够，请问您的方法，干洗是利用。
What we offer is a cleaner alternative at a similar price" says Zheng Nanyan, chief executive of 7 Days Inn, a budget hotel chain."
我们提供的是以价格类似、但更洁净的酒店，”经济型酒店连锁集团“7天连锁酒店”（7 Days Inn）的首席执行官郑南雁说道。
What we offer is a cleaner alternative at a similar price" says Zheng Nanyan, chief executive of 7 Days Inn, a budget hotel chain."
我们提供的是以价格类似、但更洁净的酒店，”经济型酒店连锁集团“7天连锁酒店”（7 Days Inn）的首席执行官郑南雁说道。
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