I am making the assumption here that the read operation (as an entry point to the API layer) is not in turn invoking write operations on the database.

我在此处假设读操作(作为api层的入口点)不会对数据库调用写操作。

youdao

However, I typically work this stuff in as I am developing the spread which can add another layer of texture to the composition and be used to strengthen the hierarchy of the spread.

但我通常在开始制作扩展图的时候就开始着手这些素材的填充，我们可以对于这个组的这个纹理增加一个新的图层，这样也有助于增强扩展图的层次性。

youdao

When I use tier, I am referencing a physical layer .

当我使用层，我引用一个物理层。

youdao