So it lets you do a profile of not just the genes that you possess, for example, but what genes are actually being used to make proteins in the cells that surround the fluid where this was collected.

他不仅能让研究者了解,人带有哪些基因,还能知道,在收集到的体液细胞的样本中,哪些基因是合成蛋白质的

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You can use it to show that you have or do not have, posses or do not possess, something tangible or intangible.

你可以用它来表示你有或者没有的东西，不管是这些东西是有形还是无形，都可以通用。

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Or you could also use the "I have" pattern negatively to show that you do not possess something.

当然，你也可以用“I have”句型的否定形式来表示你并没有某些东西。

I have 课堂 - SpeakingMax英语口语达人