"商機","市場定位"用英語怎麼說?

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niche: an opportunity to sell a particular product to a particular group of people (產品的)商機;市場定位

They spotted a niche in the market, with no serious competition. 他們看到市場上一個競爭不激烈的商機.

a niche market 有利可圖的市場

the development of niche marketing(= aiming products at particular groups) 針對某羣體的產品營銷開發