请问必胜客获得成功的原因是什么 麻烦用英语说 可以是几个关键词

1。To satisfy every appetite。（There's a variety of different pizzas on the menu。 With so many toppings and crust options, everyone can have their favorite!）2。 Pizza Hut has a number of other business concepts that are different from the store type。( delivery/carry-out )3。It has already become an international restaurant chain and kiosks in 100 countries。