问题描述：
英语翻译
Fruit is a useful snack food.It is relatively cheap,requires little preparation and is cool and refreshing alternative to less healthy snack foods
在这里alternative to怎么理解?
Fruit is a useful snack food.It is relatively cheap,requires little preparation and is cool and refreshing alternative to less healthy snack foods
在这里alternative to怎么理解?
问题解答：
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