この店では

at this store

→ 此の
phrase Rare #38,250
at this store この店 means “this store,” and では marks it as the location or topic, often with a contrastive nuance. It is commonly translated as “at this store” or “in this shop.”
JA: この店では新鮮な野菜を売っています。
EN: This store sells fresh vegetables.

この店ではを売っている

This shop sells meat.

この店では面白いものは何も買えないよ

You can't buy anything interesting at this store.