全部

1·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。

2·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。

3·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。

4·But those studies can't get at a cause-and-effect relationship.

但那些研究不能得出因果关系。

5·No one asked whether there was really a cause-and-effect relationship.

没有人问一问它们之间是否真正存在因果关系。

6·But they say more study is needed to confirm this as a cause-and-effect relationship.

但是他们认为需要进行更多的研究来验证两者之间的因果关系。

7·There seems to be a natural cause-and-effect relationship between optimism and success.

在乐观与成功之间似乎有着某种自然的因果关系。

8·A new study shows that height and weight may have a direct cause-and-effect relationship with pay.

一项新研究显示，身高和体重可能与薪酬有直接的因果关系。

9·In choosing cost drivers, the principal idea is that the drivers must reflect the cause-and-effect relationship.

选择成本动因最基本的原则是，成本动因必须反映前因后果之间的关系。

10·The study was not designed to detect a direct cause-and-effect relationship between consumption of salt and cardiac death.

该研究并非设计用来验证盐摄入量与心脏猝死之间是否存在直接的因果关系。