第73課:Do you eat a lot of fast food these days?

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主題：Do you eat a lot of fast food these days?

I prefer healthy diets and I always try not to eat too much fast food. But there are cases when you have to, like when you are taking a plane and the only good place to eat in the airport is Mc Donald or Burger King.

Diet: 飲食
There are cases: 在某些情況下