How to say "平均每十五天" (píng jūn měi shí wǔ tiān) in Chinese dialogue

píngjūnměishítiān

On average, every fifteen days

Grammar Patterns
INTERACTIVE SCRIPT TIMELINE
LINE 0139:33
duō
zhǎng
shí
jiān
xiàng
guó
nèi
yùn
sòng

how often is it shipped back to the homeland?

LINE 0239:35
PLAYING SCENE
píng
jūn
měi
shí
tiān

On average, every fifteen days

LINE 0339:37
huì
yǒu
jià
yóu
zhèng
fēi

a postal aircraft

Show Information
Source MediaTV Series
Season & EpisodeS1 E5
Timestamp39:35
TMDB ID309609