这会导致按钮的背景淡入和淡出视野，同时使其文本完全不透明。

This would cause the button's background to fade in and out of view, while leaving its text fully opaque.

youdao

这会导致按钮的背景淡入和淡出视野，同时使其文本完全不透明。

This would cause the button's background to fade in and out of view, while leaving its text fully opaque.

youdao