To argue for a cause-and-effect relationship, scientists must attempt to explain why and how a connection could occur.

想要证明因果关系，科学家们必须尽量解释这种联系可能出现的原因和方式。

youdao

As yet a challenge to explain the cause-and-effect relationship between sleep and nutrition, there may be a third factor that impacts both of them.

要解释睡眠和营养之间的因果关系，还有一个挑战，那就是可能有第三个因素对它们两者都有影响。

youdao

It's as yet a challenge to explain the cause-and-effect relationship between sleep and nutrition. There may be a third factor that impacts both of them.

迄今为止，解释睡眠和营养间的因果关系仍是一个挑战。可能存在第三个因素影响这两者。

youdao

In the real world this would be pretty flimsy proof of a cause-effect relationship.

FORBES: Magazine Article

There is no cause and effect relationship-only an association at this time.

FORBES: Is DMAA Dangerous To Your Health?

To your larger point, I wish the cause-effect relationship of reporting were as simple as you describe it: we report, they react.

FORBES: When Journalism 2.0 Kills