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| English | Russian |
| hard-to-recover | трудноизвлекаемый (igisheva) |
| hard-to-renew | тяжело возобновляемый (... at the cost of increased pressure on the environment and on hard-to-renew resources such as fossil fuels, freshwater, and arable soil – by Richard Oliver Collin and Pamela L. Martin Tamerlane) |