net markdown

例句：

1. 1. The internet is a vast network of computers that connect people around the world.
   互联网是一个连接全球各地人们的庞大网络。
2. 2. She used to surf the web for information every day.
   她过去每天上网查找信息。
3. 3. The company has a large online store where customers can buy products from all over the world.
   该公司有一个大型在线商店，顾客可以从世界各地购买产品。