你也许曾经听说过在冰岛进行的遗传学研究。
You may have heard of genetic research being done in Iceland.
您也许曾经听说过这样的一条原则，数据使用元素，元数据使用属性。
You might have heard the principle data goes in elements, metadata in attributes.
也许你曾经听说过你只有短短的几秒钟就能留下第一印象，但事实上是，你的大脑已经在遇见他们后的几毫秒内就决定了(以此去评判)一个人的印象。
You may have heard that you only have a few seconds to make a first impression, but the truth is, your brain has made up its mind (so to speak) about a person within milliseconds of meeting them.
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