Because you said that it is not impossible to bring a transparent bag, but try to avoid it if you have something.
That will make you look immature, low-end and unprepared, unless you are applying for an operator position, because the company doesn't care about it at all.
Otherwise, please be prepared.
A dark suit, white shirt, dark tie, black belt, black quilt, black three-section leather and black briefcase.
At least put a black leather notebook and a black fountain pen in the bag. Put some other relevant documents, resumes and other materials.
My recommendation will definitely make you stand out. Of course, we should do what we can and make relevant arrangements according to our own economic strength.
Several principles about tricolor: tricolor principle, whole body, no more than tricolor.