Could you explain more about "-free"?
If something is "-free", that means that whatever is mentioned before the term "-free" (here, it is "we", which refers to the grocery store) does not contain what comes before "-free" (here, plastic). Here are some examples of "-free": Ex: This milk is dairy-free. (Meaning this milk does not contain dairy) Ex: My shampoo is chemical-free. (Meaning my shampoo does not contain chemicals)
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