1. 것은? [3점]
just as there is division of labor in the case of individuals, countries also adopt this principle at the international level. no country has the potential to produce all the commodities at the least cost. trade between countries is therefore essential to ensure a supply of a country’s needs. some countries specialize in the production of only such commodities which they can produce at comparatively lower cost than the others. they export such products to others. in return they import those products of which they have comparative cost disadvantage.

위문장에서 such를 어떻게 해석해야 하는지 모르겠습니다.. 그리고 those가 가르키는게 뭔지도 모르겠습니다!
답변부탁드립니다.!