Doctors can collect it with a needle. But people who donate marrow must first have tests to make sure they are a good match for the patient.

VOA: special.2009.12.16

Now, you know how to make women do worse on math tests too, like that, and this has a demonstrative effect.

你们也知道怎么让女同学考数学考不好，像这样，这样的作用非常显易而见。

耶鲁公开课 - 心理学导论课程节选

They want to make the tests for the... they get into another grade, a little harder.

他们想通过考试……让孩子们升入下一个年级，并提升一点考试难度。

哈莱姆的变迁 - SpeakingMax英语口语达人