虽然大家都普遍承认垃圾食物并无益于健康，但是美式快餐馆却如雨后春笋般在世界各地流行起来。

Though it is generally accepted that junk food is not healthful, American fast-food restaurants are popping up all over the world.

我们提到过快餐馆和咖啡店.

We have already mentioned snack bars and coffee shops.

他到快餐馆干什么?

What did he go to the snack bar for?