如果你放在一个文件夹里的子文件夹太多，而不能一目了然，可以考虑建一个字母菜单。

If you need to put so many subfolders in a folder that you can't see all of them at a glance, consider creating an alphabetic menu.

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花果书结构充分考虑了我们方便，内有温度计，可以实时知道植物生长温度；湿度观察线让你一目了然知道土壤湿度；

Falvor book structure has fully considered we convenient, has a thermometer, can real-time know plant growth temperature, Humidity observation line let you clearly know soil humidity;

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