"But a baby who has a defect in those brain stem circuits that use serotonin can't do that when challenged and they go on to die."

VOA: standard.2010.02.08

Israel's acceptance of a relationship with God doesn't stem from mystical introspection, or philosophical speculation, Levenson says.

犹太人接受与上帝的关系并不来自于,神秘的内省，或者是出于投机心理，Levenson说。

耶鲁公开课 - 旧约导论课程节选

There are services now, we don't know yet how to get those stem cells out of cord blood and how to use them for therapies, but it's reasonable to think that we might know about this in 30 years.

现在已经有提供这样的服务了,我们现在还不知道如何从脐带血中,提取这些干细胞并用于治疗,但有理由相信,在未来的30年内我们会知道的

耶鲁公开课 - 生物医学工程探索课程节选

But the real problem behind employees' insecure practices, says Trend Micro's Perry, doesn't stem from any single trend.

FORBES: Accounting For Human Error

Penguins coach Dan Bylsma used his timeout, but couldn't stem the tide.

WSJ: Newcomers lift Rangers to 6-1 rout of Penguins

The resistance to regulatory interference doesn't stem from a particular political stance.

WSJ: The Weekend Interview with Travis Kalanick: The Transportation Trustbuster