您可能知道某人违反10%原则或永远穿同一双跑鞋，他跑完一切正常，但是，您为什么要冒这个风险。
You might know someone who has broken the 10% rule or ran on the same pair of shoes forever, and ended up fine, but why risk it.
通常最好让气体在狭窄空间内自己烧完，同时用水一直冷却着临近的物体，而不是冒可能爆炸的危险。
It is usually better to allow the gas to burn itself out in a confined area and keep adjacent objects cool with water, rather than to risk a potential explosion.
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