Daily Chinese Idiom Guessing Game
To develop and promote something valuable, making it more widespread and influential.
发扬发展，提倡；光大辉煌而盛大。使好的作风、传统等得到发展和提高。
《周易·坤》坤厚载物，德合无疆，含弘光大，品物咸享。”
We should carry forward and promote our traditional culture.