market share`(n.) percentage of a total market which one company or product holds市场占有率

　　up market (adj & adv.) luxury end of the market高端市场的

　　down market (adj & adv) cheep end of the market低端市场的

　　master production schedule (n.) document which shows what a company expects to manufacture生产计划表[例]  You can find out what this company expects to manufacture in its master production schedule.