Is there a difference between cloudy days and cloudy days? If so, what's the difference?

Clouds on cloudy days are black ~ ~ Clouds on cloudy days are white ~ ~ This is a very simple truth. Meteorologically speaking, cloudy days are a kind of weather that can form precipitation. When there are cumulonimbus clouds or stratocumulus clouds in the sky, it is called cloudy. On a cloudy day, there are clouds in the sky, but it can't form rain. The sky is full of cumulus clouds ~ ~ one after another. When you look up, clouds cover most of the sky, which is called cloudy weather. Hehe ~ ~ I don't know the answer ~ ~