Text in Expression Editor:
Text after Path > Rewrite to... > Static:
Create two rewrite URL rules (part of Transform Rules) to rewrite the path of the welcome page for visitors in specific countries.
To have a welcome page in two languages, create two rewrite URL rules with a static rewrite of the path component:
Rewrite URL rule #1
Text in Expression Editor:
Text after Path > Rewrite to... > Static:
Rewrite URL rule #2
Text in Expression Editor:
Text after Path > Rewrite to... > Static: