[تم الحل] import

Background of the issue:
I am working on a site under development and trying to import .po files with translations made for themes and plugins from one site to a new site using the WPML string translation module.

Symptoms:
No specific issue or error message mentioned.

Questions:
Do I have to import the .po files with translations for themes and plugins to the new site?
Is importing .po files the fastest way to transfer translations to a new site?