>niche — a market to which you bring something extra that drives demand for your services.
1. a comfortable or suitable role, job, way of life, etc. 舒適或稱心的工作（或生活等） He eventually found his niche in sports journalism. 最後他在體育新聞界找到了理想的工作。
2. an opportunity to sell a particular product to a particular group of people （產品的）商機；市場定位 business 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) 針對某群體的產品營銷開發
3. a small hollow place, especially in a wall to contain a statue, etc., or in the side of a hill 壁龕；（山體）凹進的地方
4. the conditions in which a type of living thing can live successfully 生態位（一個生物所佔據的生境的最小單位） biology
… need to think of my niche now! 😛