Correct
补白
/ bǔbái /
Strokes
Definition
to fill a gap (e.g. a gap in knowledge or blank space in a print layout)/to make some additional remarks/filler (in a newspaper or magazine)
Example
As a Noun
filler (in a newspaper or magazine)
1
Míngtiān
明天
bào
报
shàng
上
réng
仍
xū
需
liǎng
两
piān
篇
bǔ
补
bái
白
。
We still need two more filler items for tomorrow's newspaper.
2
Bǔ
补
bái
白
túàn
图案
tailpiece
As a Verb
make further exposition/explanation
3
Zhè
这
jiàn
件
shì
事
wǒ
我
lái
来
bǔ
补
bái
白
jī
几
gōu
句
。
I'd like to add a few words on the matter.