在大多数情况下，这些致病基因不会产生任何问题，很多人只是携带着疾病却不会真正生病。
In many cases, they will not cause any problems, with people carrying the disease but not becoming ill themselves.
在大多数情况下，这些致病基因不会产生任何问题，很多人只是携带着疾病却不会真正生病。
In many cases, they will not cause any problems, with people carrying the disease but not becoming ill themselves.
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