[Example] In history class, we learned that the Industrial Revolution changed the way people worked and lived. It introduced new machinery, improved transportation, and led to the growth of cities. It was a pivotal moment in shaping the modern world.

[Example] Today, we're going to explore the concept of ecosystems. An ecosystem consists of all living organisms and their physical environment. It’s important to understand how energy flows and how different species interact within an ecosystem.

[Example] As we analyze the market trends, we see that there is an increasing demand for renewable energy solutions. Companies are investing in solar and wind power, which are becoming more cost-effective. This shift will likely reshape the energy sector in the coming years.

[Example] In today's video, I'll be teaching you how to optimize your social media strategy. We'll discuss how to create engaging posts, understand your audience, and analyze metrics to improve your content's reach and engagement.