自己调查了一下,是不是必须回国签H1b呢?还是任何一个consulate都可以? 有没有在第三国签过h1的来说说看. DOS上的引述: Applicants for temporary work visas should generally apply at the U.S. Embassy or Consulate with jurisdiction over their place of permanent residence. Although visa applicants may apply at any U.S. consular office abroad, it may be more difficult to qualify for the visa outside the country of permanent residence.