翻译:Did you know that a leaking toilet can waste twenty to forty litres of water an hour.

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翻译:Did you know that a leaking toilet can waste twenty to forty litres of water an hour.

翻译:Did you know that a leaking toilet can waste twenty to forty litres of water an hour.
翻译:Did you know that a leaking toilet can waste twenty to forty litres of water an hour.

翻译:Did you know that a leaking toilet can waste twenty to forty litres of water an hour.
你知道一个漏水的马桶一小时会浪费20至40升的水吗?