This would also save a lot of money currently spent on paper and toner - all hand-outs would be electronic, in colour, and multi-media capable.
这也帮我们节省大量在纸张和硒粉上的花费——所有的讲义都是电子稿，它们都是彩色的，多媒体的。
3
In order to judge any colour changes, do not continually observe the print in the toner as this makes it harder to observe the subtle changes occurring.