这并不复杂，但确实十分有效。

Nothing complicated, but it is often very effective.

youdao

我告诉你，短期内这是十分有效的。

I can tell you, in the short run that works very well.

youdao

在通常情况下，这样做十分有效。

It works out, under normal circumstances, very well.

youdao

That people--they develop some investment strategy and through pure chance it does well.

人们制定了一些投资策略,一些策略的投资效果碰巧十分有效

耶鲁公开课 - 金融市场课程节选

It works out, under normal circumstances, very well.

在通常情况下,这样做十分有效

耶鲁公开课 - 金融市场课程节选