before and after

基本解释

What do you do before and after work?
在你工作的前后你都做了什么？
We have unit tests that must run before and after each integration.
我们有一些必须在每次集成之前和之后运行的单元测试。
One way is to have a thorough set of unit tests for the code: the code should pass the tests both before and after refactoring.
第一种方法是对代码进行一套完全彻底的单元测试：在重构之前和之后都必须通过这样的测试。

He compared obesity rates and physical activity levels of women who had been in high school before and after Title Nine took effect.
Their memory improved significantly, so their intelligence level as taking by tests before and after compared to control group improved significantly after a single week.
他们的记忆力有明显改善，他们的智力水平,在实验前后进行测试，再与对照组相比,在仅仅一周后就有明显改进。
哈佛公开课 - 幸福课课程节选
After I give you amnesia,before I torture you, Linda I will drive you insane and make you believe that you're Linda.
在我让你失忆和折磨你之前，我会先把你逼疯，让你相信你是。
耶鲁公开课 - 死亡课程节选

's Hamline University, analyzed polls before and after candidates appeared on late-night talk shows.
FORBES: Magazine Article