WPML taxonomies labels translations

Hello

That feature is for translating taxonomies labels in the search form of WOOF. To translate On sales 3 ways:
* work with plugin translate file https://premium.wpmudev.org/blog/how-to-translate-a-wordpress-plugin/ which can be created here https://www.icanlocalize.com/tools/php_scanner (create for each language its translation, will be enough to translate 1 that word)
* WPML has expension https://wpml.org/documentation/getting-started-guide/theme-localization/ – best way
* translate it directly in the file: wp-content\plugins\woocommerce-products-filter\ext\by_insales\index.php