Start of Autumn reflects the end of summer and the beginning of autumn.

立秋标志着夏天即将结束，秋天即将到来。

Although Start of Autumn indicates the beginning of autumn, hot weather will not come to an end.

尽管立秋标志着秋天的开始，但是炎热的天气还不会结束。

The vernal equinox, in March, marks the beginning of spring in the Northern Hemisphere and the beginning of autumn in the Southern Hemisphere.

春分在三月份，标志着北半球春季的开始，以及南半球秋季的开始。

If one has lost weight during the summer, then at the beginning of autumn, he or she needs to flesh out by eating many different kinds of delicious food, especially meat.

如果体重减轻了，那么在立秋这天就要吃各种美食佳肴尤其是肉来“贴膘”。