这里吃饭太贵啊!
这里吃饭太贵!还是自己做饭便宜。所以我喜欢自己做饭,因为更好吃(至少大部分时间),也更便宜。可是下馆子更方便,哈哈。
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In China,小食品means snacks,such as sausage,potato chips,candy,chocolate...I guess you mean the dishes in the dinner.So changing that word maybe better.
我注意到 seldom used in the context like this.I think it hardly appears in the title. And before that word,there should be some description about what you say next...For example,1.在上海住了半个月,我发现这里吃饭太贵了!