Of course, there is far more oil underground than can be recovered.
当然，地下的石油远比可回收的多。
Residual and waste oil must be recovered and may not be discharged into the sea.
残油、废油必须予以回收，不得排放入海。
A world oil crisis hit airline travel hard, and his business never recovered.
世界范围的石油危机又给航空业当头一棒，他创建的泛美一去不复返。
A world oil crisis hit airline travel hard, and his business never recovered.
世界范围的石油危机又给航空业当头一棒，他创建的泛美一去不复返。
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