fast food chains

例句：

1. 1. The fast food chain has expanded its reach across the country.
   这家快餐连锁店已经在全国范围内扩展了业务。
2. 2.Fast food chains are known for their convenience and affordability.
   快餐连锁店以其便利性和物有所值而闻名。
3. 3.Many fast food chains offer a variety of menu options to cater to different tastes.
   许多快餐连锁店提供多种菜单选项，以满足不同口味的需求。