A piece of vacant land, which has not been visited for many years, has become a tall building. Our country is becoming stronger and stronger. We have grown from a babbling baby to a toddler, and then to a sunny teenager. These are all "changes". As we grow older, our understanding of things is also changing. Our knowledge becomes richer and our horizons become broader.

The newly bought basketball is bright and shiny. I can't put it down in my hand. After a while, I found that the ball has become dirty and black. This "change" has brought me a strong physique and the joy of sports.

Online shopping. Since the SARS and the epidemic, Jack Ma has promoted Alibaba's online shopping. This move has made people excited for more than ten years, and online shopping has been getting better and better.

This also adds a "new path" for poverty alleviation, online shopping. Recently, it happened to be the Double Eleven Online Shopping Festival. This year's Double Eleven is much better than last year's. Last year, people bought a lot and the logistics were too busy, which resulted in the packages taking several days or even more than ten days to arrive. This year is different. If you place an order on the first day, it will arrive on the second day. This proves that logistics is faster and these changes make life better.

This sentence means that when you write an essay, you must focus on a central idea to reflect the main changes that occur over time. For example, if you write about the growth of a plant, it starts as a seed, and then slowly grows into a seedling. Then the seedling is the central idea, and then you write about its changes around this seedling, and you can record it in great detail.

About 600 words