Cách sử dụng
The word 'superfluity' means an excess, a surplus or something more than what is needed or necessary. It can be used when there is too much of something, such as extra money, food or clothing. For example, "I have a superfluity of clothes in my wardrobe that I never wear." It can also be used to indicate something unnecessary, like "The superfluity of unnecessary features on this device makes it difficult to use."