Since they can and do successfully inter-breed, they cannot be classed as different species.

既然它们能够而且确实可以成功杂交繁殖，它们就不能被归为不同的物种。

《柯林斯英汉双解大词典》

youdao

youdao

You may have heard this expression: You can lead a horse to water, but you cannot make him drink.

VOA: special.2009.07.12

iterature cannot merely be received as a definite unit of referential meaning that can be decoded without leaving a residue.

文学不能仅仅以一个确切的参考性意思的单位来理解,这种参考性意思的单位在破解时不会留下任何残余。

耶鲁公开课 - 文学理论导论课程节选

We cannot do anything about protons, they are buried in the nucleus, but we can add or subtract electrons.

我们不能改变质子，它们埋藏在原子核内，但是我们能够增加或减少电子。

麻省理工公开课 - 固态化学导论课程节选

Clearly we cannot trust our intuition about what can and cannot be achieved by mere number-crunching.

ECONOMIST: Stop the war

"The government cannot tell universities and other higher education institutions who they can and cannot invite, but universities do have to follow very strict codes of practice, " she added.

BBC: Peer: Root out anti-Semitic attacks on campuses

The tax law is relatively clear about what a (c)(4) can and cannot do.

FORBES: Secret Campaign Giving And Abusing The Tax Law