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Practise English on your Android device.
Adjective
Example: “We need a sustainable model, not short-term fixes.”
Synonyms: viable
Antonyms: unsustainable
Noun
Example: “Ecotourism can support conservation when managed responsibly.”
Synonyms: sustainable tourism
Antonyms: mass tourism
Example: “The current system is unsustainable.”
Synonyms: unviable
Antonyms: sustainable
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