Various studies over many years have sought to identify candidate genes but so far inconclusively.

有很多研究项目试图将相关的基因筛选出来，但是到目前为止尚无定论。

youdao

Various studies over many years have sought to identify candidate genes but so far inconclusively.

有很多研究项目试图将相关的基因筛选出来，但是到目前为止尚无定论。

youdao