据我所知，他辞职的原因是由于健康状况不佳。（用作表语）

So far as I know, his resignation is on account of failing health.

youdao

据我所知，他辞职的原因是由于健康状况不佳。（用作表语）

So far as I know, his resignation is on account of failing health.

youdao