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(town) market; (street) market; marketplace
「市場」 has another reading with different meanings.
築地の市場で魚を買ってきたよ。
I bought fish at the Tsukiji market.
株式市場の動向を見ているんだ。
I'm watching stock market trends.
市場調査を行う必要があるよね。
We need to conduct market research.