You can take a cue from GCC: maintain many sets of environment variables per application and switch from one pool to another depending on the work at-hand.

您可以从 GCC 得到提示：为每个应用程序维护多个环境变量集，并根据手头的工作从一个集合切换到另一个集合。

youdao

The classy piano bar next to Maddalena's really sells 11 dishes for the advertised price at lunch. There's no bait and switch here.

马达莱纳隔壁的高级钢琴酒吧按广告中的价位售卖11道午餐菜肴。在这没有用廉价品招揽生意的幌子。

《柯林斯英汉双解大词典》

I purposely interrupt one of the access paths by pulling off an FC cable between the host and switch.

我故意拔掉主机与交换机之间的一根 FC 电缆，从而中断其中一条访问路径。

youdao

That means they're expensive. Last year,citing the cost, the Pentagon canceled a $14 billion program to buy new helicopters for the rescue squadrons and switch the medical missions to less heavily armed Army helicopters.

VOA: standard.2010.04.27

This momentary switch-off between the sun and the poet is just one of this poem's many substitutions.

这种太阳和诗人之间,短暂的互换只是这首诗众多替换中的一个。

耶鲁公开课 - 弥尔顿课程节选

Now I want to switch gears, just for the last couple minutes, and ask you: what do you see when you read this novel?

在最后的这几分钟，我想换换话题，问问你们：，在看这部小说时,你们读到了什么？

耶鲁公开课 - 1945年后的美国小说课程节选

Further, consumers will start to replace its aging fleet and switch to more fuel-efficient cars.

FORBES: PDAC2012: China's Economy Should See 'Soft-Landing'; Supportive For Base Metals -- Scotiabank

The Transaction Processing includes Authorization, Settlement and Switch charges as well as connectivity charges.

FORBES: MasterCard Is Still $10 Overvalued

The concert often continues when I arrive home and switch on my lap top.

FORBES: Spotify Launches Another Torpedo At Pandora