huge amount of variation
大量的变化
以上为机器翻译结果，长、整句建议使用 人工翻译 。
But the amount of hearing loss might differ by as much as 30 dB between people who had the toughest ears and those with the most tender ones — a huge variation.
但是，人与人之间听力丧失的程度不同，那些耳朵比较强健的人与耳朵与较柔嫩的人相比，差异可达30分贝。
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