在中国农历中，立秋(StartofAutumn)意味着夏天的结束和秋天的开始,立秋带来的首先是天气的变化，气温逐渐下降。人们看到树叶开始变黄飘落时,知道秋天已经来临，这就是所谓的“一叶知秋”。但此时酷热的天气并未完全结束，高温通常还会持续一段时间，被称为“秋老虎”。立秋对农民意义重大，这时各种秋季作物迅速生长、开始成熟、收获的季节即将到来。

参考译文（三）

In the Chinese lunar calendar, The beginning of autumn means the end of summer and the beginning of autumn. The temperature gradually dropped. When people see the leaves begin to turn yellow and fall, they know that autumn has come. But at this time the hot weather is not completely over, the heat usually continues for some time, known as the " autumn tiger. " The beginning of autumn is of great significance to farmers, when a variety of autumn crops grow rapidly, begin to mature, harvest season is coming.