Thanks to this plugin you can translate all the strings of your portal through the admin panel.

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Lets you override default texts from your admin panel. 
The plugin trades both the Woocommerce texts and the well written WordPress core texts and its plugins or widgets. 
 
The plugin also allows you to replace strings with text composed of HTML. 
It will translate all _e(”) or __(”) string calls, so check the PHP sourcecode of the plugin or theme you need to translate. 
 
It will NOT translate any dynamic strings like %s or %d, so “%s has been added to your cart.” is not translatable.

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