来源: pixabay.com
![an open envelope with a piece of paper sticking out of it, a screenshot, by David Garner, pixabay, mail art, blue and yellow color theme, with a black background, elevation, rounded corners](https://immerse-cdn.promeai.pro/pixabay/2024/04/18/b18b7722dc6d4c3e9f25ab30f9559064.png)
an open envelope with a piece of paper sticking out of it, a screenshot, by David Garner, pixabay, mail art, blue and yellow color theme, with a black background, elevation, rounded corners
来源: pixabay.com
来源: pixabay.com
来源: pixabay.com