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1.Their study looked at the carbon footprint of many different areas of tourism.
consecutive 碳足迹
We all need to look for ways to reduce our carbon footprint.
我们都需要寻找减少我们碳足迹的办法。
2.Researcher Dr Arunima Malik said her team analyzed the impact on the environment of over one million businesses involved in tourism.
impact on 对...的影响
They say they expect the meeting to have a marked impact on the future of the country.
他们说期望这次会议对国家的未来产生显著的影响。
