Despite an occasional glimmer of hope, this campaign has not produced any results.

尽管偶尔有一线希望，这次宣传活动并没有产生任何结果。

《柯林斯英汉双解大词典》

The search for other kinds of evidence tying him to trafficking has not produced a smoking gun.

在其它方面还没有找到能证明他参与此非法交易的确凿证据。

《柯林斯英汉双解大词典》

Studies on nonalien species have not produced similar results, leading researchers to speculate that avian social learning may be fundamentally different from that of mammals.

对非外来物种的研究没有得到类似的结果，这使得研究人员推测鸟类的社会学习能力可能与哺乳动物的社会学习能力有根本性的区别。

youdao

He says the methane discovery presents scientists with a mystery because it is still not clear how the gas is being produced.

VOA: special.2009.12.30

And I'll sit there staring at the output, staring at the code, not realizing that that output was not produced by that code.

然后我就坐在那儿盯着输出的结果，看着代码，没有意识到输出的结果,并不是由我的代码产生。

麻省理工公开课 - 计算机科学及编程导论课程节选

That's not just a set of functions--variables, as one might say in the lab.It's produced by genius.

它不仅仅只是一套机器，像人们在实验室所见的一样多变，它是由天才创作的。

耶鲁公开课 - 文学理论导论课程节选

Globalization has not produced radically new industries or greatly altered the role of business.

FORBES: An Investment Strategy Based on Ancient History

Mr Blair said the political crisis in Northern Ireland had not produced a security crisis.

BBC: At-a-glance: Blair news conference

Review your habits and past behaviors that have previously not produced the results you desire.

FORBES: How Committed Are You To Getting The Results You Seek?