开源节流的英文：
[Literal Meaning]
broaden/source/reduce/running water
to open up new sources and reduce the outflow

[解释]
开发水源，限制水流出。比喻增加收入，节省开支。

[Explanation]
to broaden the sources of income and reduce expenditure

[例子]
公司的财务情况越来越不好了，我们应该努力开源节流，争取不裁员。

[Example]
The company's financial status is getting worse. We should try to broaden the sources of income and reduce expenditure and not cut staff.

Open up the source and regulate the flow;develop resources and be economical
开源节流

To earn more income and cut down expense
开源节流

Increace income and decrease expenditure
开源节流