Here are some examples of how you might use "Afro-Eurasia" in a sentence:
* Historical context: "The Silk Road facilitated trade and cultural exchange across Afro-Eurasia for centuries."
* Geographical context: "Afro-Eurasia is the world's largest contiguous landmass, encompassing diverse ecosystems and cultures."
* Academic research: "Researchers are studying the impact of climate change on the interconnected populations of Afro-Eurasia."
Remember, using "Afro-Eurasia" in casual conversation might sound a bit formal or academic.