ecnomic player

ecnomic player volatility of ecnomic是什么意思?是不是经济的挥发度?经济的挥发度又是什么意思? flash player flash player basketball player player是什么意思 banned player player是什么意思 tape player tape player record-player a NBA player 还是an NBA player swim player,swimming player哪个用法对? soccer player是什么意思 team player什么东西 basketball player怎么读 baseball player怎么读 player 有没有复数