He wanted to have a source of income after his retirement; until then, he wouldn't require additional money.

他想在退休后有个收入来源，而这之前则不需要额外的钱。

《柯林斯英汉双解大词典》

When running as a top-level language, XQuery needs to have a source of input data.

当 XQuery 被作为顶层语言时，它需要一个输入数据的源。

youdao

Now you have a source document from which to harvest requirements to store in the project database.

现在有了一个源文档，从它采集需求，保存在项目数据库中。

youdao

They have a material that supplies electrons and a power source that lifts the energy level of those electrons.

VOA: special.2010.09.01

Actually, what I did was used 107kJ/mol a different source so I have 107.

事实上，我使用了另一个路径,计算得到了。

麻省理工公开课 - 固态化学导论课程节选

It doesn't have a concrete independent existence. And that means that human beings and only human beings are the potential source of evil in the world. Responsibility for evil lies in the hands of human beings.

它没有具体的形态，这意味着,人类，也只有人类，可能是潜伏着的邪恶的源泉,人类要为邪恶的出现负责。

耶鲁公开课 - 旧约导论课程节选

If you have a source that fits what they are looking for, you simply reply to the reporter with the relevant information.

FORBES: How You Can Get Some Serious Press For Your New Business

Should Twitter defend a person who disregards a bad law, the way a newspaper might previously have protected a source?

FORBES: Twitter Would Give User Details To The Authorities, Possibly in Giggs' Case

As a result, foreign customers have become a source of feedback in their own right.

ECONOMIST: The complications of clustering