预防医学耗资巨大，使其无法推广，但现有统计资料证明对某些疾病的预防措施是确有成效的。
The cost of prevention medicine keeps it from being widely applied, yet available statistics justify the validity of preventive efforts in certain specific diseases.
预防医学耗资巨大，使其无法推广，但现有统计资料证明对某些疾病的预防措施是确有成效的。
The cost of prevention medicine keeps it from being widely applied, yet available statistics justify the validity of preventive efforts in certain specific diseases.
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