So the previously sharp line between angels and VCs has become hopelessly blurred.

因此过去天使与风投之间的明显界限已经变得模糊得不像样了。

youdao

There is no sharp line between the two types of ideas, but the most successful startups seem to be closer to the Apple type than the Viaweb type.

这两类点子之间并非泾渭分明，但创业成功的公司大都类似于苹果，而不是Viaweb。

youdao

Not until the 18th century did labor begin to be divided along a sharp line: wage-earning for the men and unpaid maintenance of household and children for the women.

直到18世纪家庭分工才有了清晰的界限：男人负责赚钱养家，女人做家务带孩子。

youdao

to rise and to say anything was a violation of the culture, and that's one of the places where you see where this sharp line exists. They just take orders, but the gentlemen don't just take orders.

起身反抗和发表见解是有违当时的文化的,从这一点可以看出当时社会,森严的等级界限,普通人只能服从指挥,但是有地位的人不仅接受命令

耶鲁公开课 - 古希腊历史简介课程节选

So these names, they don't really make any sense why they're called past s p and f, and it turns out that it comes from spectroscopy terms that are pre-quantum mechanics where, for example, this is called the sharp line, I think the principle, the diffuse, and the fundamental.

看到这些名字，你会发现,它们为什么叫s，p，f是没什么道理的，事实上,它们来源于,量子力学之前的光谱学中的术语，例如，它们分别叫做锐线，我认为是主线，漫射和基本。

麻省理工公开课 - 化学原理课程节选

First, that there is a sharp line between good and bad apples, and that a manager's job is to toss out the bad.

ECONOMIST: Schumpeter

Now that it seems likely a comet has drawn a sharp line of charcoal between the two cultures, careful measurements should be able to show whether North America was, for a few centuries after the impact, as bereft of people as it has since been of mammoths.

ECONOMIST: Mass extinctions

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