Why is trade beneficial to both the importer (country buying the good) and exporter (country selling the good)?

Because of comparative advantage, trade raises the living standards of both countries. ... “Even if a developing country lacks an absolute advantage in any field, it will always have a comparative advantage in the production of some goods” and will trade profitably with advanced economies.

apprenticeships are formal, paid, long-term training programs that provide valuable classroom instruction coupled with on-the-job training for skilled, high-paying jobs.