因此，如果起诉或威胁进行起诉不具有效的威慑作用，并且考虑到这种预后不良，必须着重于预防。

So while prosecution - or the threat of it - is not an effective deterrent and, given such poor prognosis, the focus has to be on prevention.

youdao

本德尔说，袋鼠用脚拍地的声音具有威慑东部灰袋鼠的潜在力，由于它是自然声音，因此它不大可能因被袋鼠适应而逐渐丧失威慑作用。

"The foot thump shows potential as a deterrent of eastern grey kangaroos. And is less likely to suffer from habituation because it is a natural sound," bender said.

youdao