Examples
rú guǒ如果nǐ你bù不míng bai明白yí一jiàn件shì事，nà那shì是yīn wèi因为nǐ你méi yǒu没有yì shì dào意识到tā它de的bèi jǐng背景。
如果你不明白一件事，那是因为你没有意识到它的背景。
If you don't understand something, it's because you aren't aware of its context.
图片的背景是一座城堡。
There is a castle in the background of the picture.
Tom有兽医背景。
Tom has a veterinary background.