There is really no loss in doing this, and SSH even (optionally) adds its own compression layer to enhance performance.

做到这一点真的没有任何损失，而且 SSH 甚至（可选地）添加其自己的压缩层来增强性能。

youdao

Small file size, millions of colors, no transparency, flexible compression with loss of detail.

文件小，上百万种颜色，不透明，丢失细节的灵活压缩。

youdao

Small file size, few colors, transparency, some compression with no loss of detail.

文件小，颜色少，透明，某些压缩不丢失细节。

youdao