抽烟可能导致癌症。
现在这可能是，不能是，抽烟导致癌症，或者是抽烟导致癌症，而不是每个烟民都会得癌症，如果我们研究这一点，要做些什么呢？
Now it might be this, it's not the case that smoking causes cancer or that smoking cause cancer without it being it every smoker get cancer, so what do we do if we were researchers at this point?
抽烟有害我们的健康，它可能导致癌症和其它疾病。
Smoking is bad for our health. It may cause cancers or other diseases.
抽烟有害我们的健康，它可能导致癌症和其它疾病。
Smoking is bad for our health. It may cause cancers or other diseases.
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