The instructions for this complexity are contained within the cell's genetic code, but how this information is accessed, read and interpreted is influenced by development and differentiation.
这个复杂机器的说明书就在细胞的遗传密码中，然而如何接入，理解和解释这些信息都受到发育和分化的影响。
Prior to the seed file, no convention existed for initialization, and many developers put code in migrations, clouding the differentiation between creating the database and populating it.
在Seed文件之前，不存在初始化的惯例，许多开发人员把代码放入迁移中，这样容易混淆创建数据库和填充数据库之间的不同之处。
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