The only dark cloud on the horizon was that they might have to move house.

唯一的忧虑是他们可能要搬家。

《牛津词典》

The experiment on cloud formation also seems likely to undermine the particle physics laboratory's reputation for pursuing only blue skies research.

微粒物理实验室一直以研究晴空而著称，如今关于云层形成的实验似乎与它的这一名声背道而驰。

youdao

It offers developers a way to not only build application on the cloud, but to build applications that they can charge users money for through a direct distribution model.

它不仅为开发人员提供了在云上构建应用程序的方法，借助它，还可以通过直接发行模型来向用户收取这些应用程序的使用费用。

youdao

But a prospective Conservative government is not the only cloud on its horizon.

ECONOMIST: The future of the BBC

The funding shortfall is "the only cloud on our horizon, " she says.

WSJ: The Weekend Interview with Annise Parker: The Modern American Boomtown

Unfortunately, the job market was not the only cloud on the horizon.

FORBES: Deutsche Bank: 'Global Central Banks Are Flying Blind' (And Other Quotes Of The Week)