After Jack had sent some e-mails, he started working on his project.
发了几份电子邮件之后，杰克才开始研究他的项目。
2
Amazon said that it was working on making the titles for its popular e-book reader, the Kindle, available on a variety of mobile phones.
亚马逊表示，它正致力于为其广受欢迎的电子书阅读器 Kindle 打造可在多种手机上阅读的电子书。
3
Herman expressed his willingness to introduce more people to make more money by farming, rather than working for lower incomes, when e-commerce can bring greater needs and sales.