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around there; that area
that; that matter; that point
about that much; approximately that amount; thereabouts; (or) so
そこら辺に置いておいたはずなのに見つからない。
I should have left it around there but I can't find it.
そこらにある材料で簡単に作れる料理だ。
It's a dish you can easily make with ingredients lying around.
そこらの店では手に入らない珍しい品だ。
It's a rare item you can't get at ordinary stores.