" Were you to use #2. approach, you would need a word to follow "idea for" such as "solving" or "preventing".
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sb700121. Sir, what are your ideas about why we have such high air pollution?I think there are several factors. First, the equipment in our factories and power generation plants is old and is not outfitted with pollution control devices. Second, we buy the cheapest coal for fuel. It does not burn efficiently, and so we release tons of sulfur dioxide, nitrous