So almost all the biology that we observe can be thought of as a series of problems and their corresponding solutions, and the first problem that every organ must solve is a continuous supply of nutrients to fuel all those cells of the body.
所以几乎我们所研究的生物学 都可以被认为是生物体中 需要被解决的一些问题 和相应的解决方案， 并且，每个器官第一个要解决的问题 就是提供持续不断的营养 去供应身体的所有细胞。