High-grading
01
最良のものを選ぶこと, 選択的分類
the practice of selecting and keeping only the best or most valuable parts of something and leaving the rest behind, often used in mining, fishing, or logging
例
High-grading was blamed for the decline in fish stocks.
魚の資源量の減少はハイグレーディングのせいだと非難された。
