background

他们来自富裕的家庭背景。

They come from a wealthy ___background.

你可以了解很多关于我们文化背景的知识。

You can learn a lot about our cultural ___background.

我认为这会让图片的背景色彩丰富且有趣。

I think it would make the ___background of the picture colourful and interesting.