Say we take a random sample of one million people from around the planet and put them on a corner in New York City.
比如说，从100万人中随便找一个人让他待在纽约城的拐角。
Well, the most important thing is that our company demand the quality be exactly the same as the sample which you'll take from the office on the third floor.
最重要的就是我们公司要求品质要与三楼办公室的样品完全一样。
Now we'll take a sample from a vein.
现在我们来取静脉血样。
Now we'll take a sample from a vein.
现在我们来取静脉血样。
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