1. Buy and pay online on Xugong Digital Education official website, and then wait for express delivery.
2. Search for Xugong digital education textbooks on Amazon, Dangdang, Taobao and other e-commerce platforms, and select the corresponding products for purchase.
3. Go to the local library or bookstore for consultation and purchase.
It should be noted that prices and availability may vary in different regions and platforms. I suggest you carefully compare the prices and services of different channels and choose the most cost-effective purchase method.