What causes our nose to randomly bleed?

是什么导致你的鼻子不分来由地就流血了呢？

And the story of this film is these two characters who randomly wake up as each other swapping bodies without any warning.

而这部电影的故事是这两个角色机地交换身体，在对方的身体裡醒来，毫无预警。

Well, not quite. The people who graduate from college are NOT a randomly selected group.

不，还没有解决。大学毕业生不是机挑选的人群。

That same study found that randomly assigned interracial roommates at Ohio State broke up before the end of the quarter about twice as often as same-race roommates.

在俄亥俄州大学同样的究，机组合的室友经过三个月的时间后，不同人种闹翻的比例大约是同人种的两倍。

You might read something like this, " All participants were selected randomly from World Wide Website through computer draw system and extracted from over 100,000 companies." Then you're told to collect your millions.

你可能会收到这样一句话：“所有参与者都通过计算机抽奖系统在全球网站上机选择，并超过10万人中抽取。”然后通知你领取自己的百万奖金。

But this only works if our sample is randomly drawn from the population.

但这要求我们抽取样本 要完全机。

They monitored almost 5,600 randomly selected households.

这些家庭都是通过机选择产生，大概有5600户。

26. The grandson branded the brandy randomly.

孙子给白兰地机地打上烙印。

Target, for example, is offering $12.00 an hour and a $500 gift card for randomly selected employees in an effort to hire 20 percent more people this year.

例如，目标，该公司为机挑选的员工提供每小时12美元和500美元的礼品卡，以争取今年多雇佣20%的员工。

A respectable company would never randomly reach out to you and offer you a job without providing information about the position or going through the regular hiring process.

一个有名望的公司绝对不可能在不提供职位信息或不经过正常招聘程序的情况下，便找个人并给他一份工作。

After male volunteers were randomly assigned to smell either one of the worn shirts, or a new unworn one, saliva samples showed an increase in testosterone in those who had smelled a shirt worn by an ovulating woman.

之后，男性志愿者被机抽取去闻一件穿过的T恤，或者一件新的没穿过的。唾液样本显示那些闻过排卵期女性穿过的T恤的男性睾丸素分泌有明显的增加。

If you take a chessboard and randomly place the pieces and ask a chess person to memorize it, they can't do it, because everything about chess positions is about the logic of how things developed.

如果你拿起一个棋盘，机地放置棋子，然后让一个下棋的人去记住它，他们做不到，因为象棋的位置体的是事物展的逻辑。

Now, if you had said Harvard's going to randomly take 1600 people of absolutely no qualification, we'd all be saying, " Well, there's not much to work for."

如果在让哈佛只是机招收1600人，而完全不加察筛选，那我们就会觉得，“其实没必要这么努力。”

So we have the 12 upperclassmen houses that you sort of get randomly assorted into and each house has their own flavor and culture.

我们有12个高年级学生宿舍，你会被机分配到其中之一，每个宿舍都有自己的特色和文化。

We established whether the given cat perform better than picking randomly.

我们确定了是否特定的猫要比机选择的猫更擅长追人类的目光。

And he's just randomly decided that he wants to become an astronaut.

他只是意决定要成为一名宇航员。

" Willy-nilly" is an informal expression which means randomly or without order.

“Willy-nilly”是一个非正式的表达，意思是没有次序，毫无章法。

So scientists used to think that these little larvae, these tiny dots that you see here, were helpless, randomly pushed around by wind and waves and currents.

前科学家认为这些小幼虫，如图所示的小点，会风、海浪、水流肆意飘摇。

Well, yeah, Jimmy was wrong, but that's okay, because instead of following some dumb rule or just randomly guessing, you can actually use statistics to exploit the way in which human beings typically write multiple choice tests.

嗯，没错，吉米错了，但没关系，因为你不必遵循一些愚蠢的规则或只是机猜测，实际上你可以使用统计学来分析人类通常编写单项选择测试的方式。

With genetic drift, genetic differences vary randomly within a population.

遗传漂移让族群里的基因差异机变化。