言之有据

duì yú zhè zhǒng jí bìng de qǐ yīn kē xué jiā men tí chū le yī zhǒng yán zhī yǒu jù de lǐ lùn

对于这种疾病的起因，科学家们提出了一种言之有据的理论。

Scientists have produced an arguable theory about the cause of the disease.