Clearly, home does gain from trade. Similarly, foreign could use 1 hour of labor to produce 1⁄6 pound of cheese; if, however, it use the hour to produce 1⁄3 gallon of wine it could then trade the 1⁄3 gallon of wine for 1⁄3 pound of cheese. This is twice as much as the 1⁄6 pound of cheese it gets using the hour to produce the cheese directly. In this example, each country can use labor twice as efficiently to trade for what it needs instead of producing its imports foe itself.