snack与snacks的区别就是一个是单数，一个是复数而已。
snacks是snack的复数形式，英[snks]美[snks]；作名词时意思是“小吃，点心，快餐，易办到的事，小事一桩”, 作动词时意思是"吃点心(或快餐、小吃)"。
例句：
We want our salty snacks and sweets but we want them to be better for us .人们都爱吃咸口的零食以及甜点，但同时又希望它们有利身体健康。
Eat a healthy breakfast and healthy snacks only .只吃一些健康的早餐以及零食。
Grandma did not agree， worried that she would buy snacks.奶奶开始并没有同意，担心她会去买小零食。
And afterwards you can relax with snacks or soft drinks just beside the pool.然后你可以在池边吃点儿小吃， 喝点儿饮料， 放松一下。
Complimentary snacks such as fruit plate positioning Nahao seat in advance Oh!免费赠送小吃果盘等提前定位拿好位置哦！
