模糊前景
各模型训练数据截止时该标签已有的作品数——用于估计模型对该标签的掌握程度，与我们是否有配图无关。
When the foreground of an image appears blurry and out-of-focus. Commonly used with blurry background to give emphasis on one character or object in the image.
4 个模型中有 3 个
