A wisp of breeze and a letter, what does it mean to know autumn in peace?

"Autumn is not known until there is a cool breeze" means: there is a cool breeze, and I know this is the signal of autumn. Autumn is coming, and the air is getting better. It depicts the scenery in early autumn. The original sentence: "There is a cool breeze in beginning of autumn, and autumn is clear and soft. I am willing to work with you, the world will be fine, and I am happy with the harvest. "

Beginning of autumn is the first 13 of the 24 solar terms and the first solar term in autumn. Beginning of autumn, which also means precipitation and humidity, is at the turning point of the year, with a downward or decreasing trend; In nature, everything begins to grow from lush to mature. Beginning of autumn doesn't mean the extreme hot weather is over. Beginning of autumn is still in the summer heat period, and the summer heat will not come out until the second solar term in autumn, and the weather is still very hot in early autumn. Beginning of autumn is one of the "four seasons and eight festivals" in ancient times. People have the custom of offering sacrifices to the land gods and celebrating the harvest. There are also customs such as "pasting autumn fat" and "biting autumn".