外国→英语｜A|To attract younger laborers to farm work.$B|To get native U.S. workers back to farming.$C|To use more robots to grow high-value crops.$D|To strengthen financial…〔09-10〕

  外国→英语｜A|Discrimination against foreign workers in the U.S.$B|Biased laws in favor of some American businesses.$C|Flaws in U.S. immigration rules for farm workers.$D|Dec…〔09-10〕

  外国→英语｜A|To handle the areas in serious danger first.$B|To carry it out before the year of 2020.$C|To perfect the emissions-permit auctions.$D|To obtain enough financial…〔09-10〕