sales in的意思是额:national s**ings gross sales in june totalled £ 709 million. 6月份国民储蓄机构的总销售额为7.09亿英镑。anecdotal evidence suggests that sales in europe h**e slipped. 有证据表明欧洲的销售量已经下滑。sales out的意思是销去。例句:land...
两者的区别:be specialized in 专门从事;专攻;以…为专业。specialized in 网络擅长;专门。运用:be specialized in: to be specialized in wind power industry rapidly,cs wind corporation started wind tower business in 2004. 为了专业于风塔塔架制造...