A few characters are used to create a single impression growing out of the theme.

有些角色用来营造主题之外的单一效果。

youdao

If there's a single theme that emerges from his book, it's the pretty depressing one that people don't change.

如果仅仅只有一个主题浮现于这本书之中，那么这将是绝对令人失望的一本书，而人们也不会买它。

youdao

Remember that the theme will be rendered upon every single request to your portal, so do not introduce expensive computations that put a very high burden on the system.

请记住，对于门户的每个请求，都会呈现主题，因此不要在其中进行会给系统带来高负荷的计算工作。

youdao

Issues are organized around a single theme and published on the 14th of each month.

CNN: Site Seer: Get fit on the Net

He does not apply a single theme or a homogeneous look to his various projects.

WSJ: The Most Important Garden Designer You've Never Heard Of

Despite the range of subjects, the orders were in fact three variations on a single theme.

FORBES: The FCC Scores a Hat Trick of Errors on Internet Regulation