Police have ruled out robbery as a motive for the killing.

警方已排除了抢劫是杀人的动机。

《柯林斯英汉双解大词典》

The police have excluded theft as a motive for the murder.

警方已排除这起谋杀案中的偷窃动机。

《牛津词典》

Besides, the 49-year-old British Army Captain had a more selfless motive for attempting the feat.

此外，这位49岁的英国陆军上尉尝试这一壮举还有一个更无私的目的。

youdao

So that gave financial whizzkids a motive to create complex securities like collateralised debt obligations (CDOs) based on subprime mortgages.

ECONOMIST: The unintended consequences of past financial reforms

But even with that huge incentive, it could not persuade itself that pressing on with the acquisition made commercial sense (and this from a co-operative, whose profit motive is less acute than most PLCs).

BBC: Will Co-Op pull out of banking?