1) (incomplete sentence), which can be roughly translated as: "the structural reorganization of the farm, its actual performance is: increasing production and expanding production."

Its actual performance is: increasing production and increasing production side by side. Agricultural restructuring.

2) Europe has undoubtedly made great progress since the war, that is, tens of millions of people made a living from it in the1940s.

Undoubtedly, since the post-war period, Europe has made great progress. In the1940s, tens of millions of people longed for bread supply.

3) If the former industrialized countries are considered to join the EU, there will be high cost and agricultural production, which refers to the conflict between the EU's agricultural policy and the specific goal of expanding the EU.

4) If the current support for agriculture is changed to more direct support for other rural products, the existing policies cannot be fulfilled so far. To what extent can trading partners accept this support? To what extent will it conform to WTO rules and be a policy model accepted by the EU?