原因显而易见，他们都是由畅销书作家转型而成的电影导演。

The reason is obvious. Both of them are best-selling authors who have turned into film directors.

youdao

原因显而易见，他们都是由畅销书作家转型而成的电影导演。

The reason is obvious. Both of them are best-selling authors who have turned into film directors.

youdao