Using Translation Strings As Keys
For applications with heavy translation requirements, defining every string with a "short key" can become quickly confusing when referencing them in your views. For this reason, Laravel also provides support for defining translation strings using the "default" translation of the string as the key.
Translation files that use translation strings as keys are stored as JSON files in the resources/lang directory. For example, if your application has a Spanish translation, you should create a resources/lang/es.json file:
{
"I love programming.": "Me encanta programar."
}