sustainability
US /səˌsteɪ.nəˈbɪl.ə.t̬i/
UK /səˌsteɪ.nəˈbɪl.ə.t̬i/

1.
the ability to be maintained at a certain rate or level
:
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The sustainability of the economic growth is a key concern.
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We need to ensure the long-term sustainability of our resources.
2.
the avoidance of the depletion of natural resources in order to maintain an ecological balance
:
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Environmental sustainability is crucial for future generations.
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Many companies are now focusing on corporate social responsibility and sustainability.