另一个原因是肿瘤在人与人之间存在差异。

Another reason is that tumors differ among people.

youdao

此外，接触到室内空气污染源后的反应在人与人之间存在极大差异。

People also react very differently to exposure to indoor air pollutants.

youdao

此外，接触到室内空气污染源后的反应在人与人之间存在极大差异。

People also react very differently to exposure to indoor air pollutants.

youdao