Many argue that it is an effective deterrent to murder, while others maintain there is no convincing evidence that the death penalty reduces murders.

许多人认为，死刑是对谋杀的有效威慑，而另一些人则认为，没有令人信服的证据表明死刑减少了谋杀。

youdao

One study showed that the death penalty was an effective deterrent; the other showed that it was not.

这两项研究的结果，一个认为死刑能够威吓犯罪，另一个则表示死刑不能威吓犯罪。

youdao

The death penalty hardly ACTS as a deterrent, since only a tiny proportion of murderers are arrested, tried and convicted.

死刑很难起到遏制的作用，因为只有极少部分的凶手被逮捕，并且定罪。

youdao

Clearly, a system of justice culminating in the death penalty has had little deterrent effect.

ECONOMIST: Death and the American

"Evidence shows that the death penalty is not a deterrent, it cannot be administered without racial bias and it costs three times as much as life in prison without parole, " Governor O'Malley said in a statement.

BBC: US state of Maryland votes to abolish death penalty

Some activists say the death penalty would be a major deterrent for potential rapists.

WSJ: Indian Rape Victim's Death Stirs Outrage and Resolve