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4Rs | reduction, reuse, recycling and recovery
| reduction, reuse, recycling and recovery | |
| UN | 减少、回用、再循环、回收 |
| English thesaurus | |||
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| reduction, reuse, recycling and recovery | |||
| 4Rs: 2 phrases in 2 subjects |
| Project management | 1 |
| United Nations | 1 |
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