但是其累积效应肯定可以带来好处，还有效率。

But the cumulative effects are meant to be beneficial — and productive.

youdao

当然还有效率更高的素数测试方法，不过这种算法最容易理解。

Of course, much more efficient algorithms for testing primality exist, but this one is the easiest to understand.

youdao

网上经理通常是这样一个人：他避免发生冲突，躲藏在电子邮件后面并把它作为一种进攻的武器，结果反而带来恶意，还有效率低下。

The virtual manager generally is a conflict-avoiding character who hides behind email and USES it as an instrument of aggression, creating not only ill will but inefficiencies as well.

youdao

and how that relates to the efficiency of the market.

还有这个与市场效率有什么关系。

有趣的研究课题 - SpeakingMax英语口语达人