Final answer:
The Buchanans' image of luxury and elegance is unstable.
Step-by-step explanation:
The inference that can be made about the Buchanans based on this excerpt is that the image of luxury and elegance they project is unstable, much like the wind blowing through the room. The description of the open windows, the fresh grass outside, and the breeze blowing through the room all suggest a sense of transience and impermanence. This imagery paints a picture of a facade of refinement that is not as solid or secure as it may seem.
Learn more about The portrayal of the Buchanans in The Great Gatsby