YOU SAID:

she sells sea shells every 7 days every month

INTO JAPANESE

彼女は毎月7日ごとに貝殻を販売しています

BACK INTO ENGLISH

She sells seashells every 7th of every month

INTO JAPANESE

彼女は毎月7日ごとに貝殻を販売しています

BACK INTO ENGLISH

She sells seashells every 7th of every month