Where does this definition of 冬不可废葛夏不可废裘 come from?
This entry for 冬不可废葛夏不可废裘 is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.