Talk:Water supply and sanitation in Iran

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Can the writer or anybody help elaborate the sentence "Tap water consumption in the country is 70% over and above the global average.[13]"
I'm now translating this article into Traditional Chinese. I found the wordings difficult to understand, and the citation seems to lead me to nowhere. Thanks for your kind attention.ThomasYehYeh (talk) 05:12, 8 March 2022 (UTC)