从某种角度看，我们是多细胞生物，但从另一角度看，我们还有一个单纯的‘自我’。
How at one level we are cellular beings and another we are a single "self."
它是一种构建微生物多拷贝蛋白质生产细胞的方法。
It is a method of constructing a microbial multicopy protein production cell.
在生物界中，只有多细胞动物得癌症。偏偏沙鱼不得癌症。
Summary: In the animal world, many multicellular animals have cancer but sharks never get cancer.
在生物界中，只有多细胞动物得癌症。偏偏沙鱼不得癌症。
Summary: In the animal world, many multicellular animals have cancer but sharks never get cancer.
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