摘要
So that's the fax machine. The printer is over here on our right and the photocopier is just next to that. Let me show you how the photocopier works . OK,- Hi Helena,.. I think we can probably sit about twenty people - and that's quite big… So if you need to use that
出版日期
2009年08月20日(中国期刊网平台首次上网日期,不代表论文的发表时间)