The theme of your paper can be about business management or touring resources in China, and the length of the paper should be no less than fifteen pages.
你论文的主题可以是有关中国的商业管理或旅游资源，论文长度应不少于十五页。
2
If I hadn't changed the color scheme of the theme, however, no one would be the wiser.
但是，如果我没有更改过该主题的配色方案，这就是最明智的做法了。
3
There seemed to be no common thread or theme to Altman's films.