The process of filing an H1-B visa application is quite complicated.

由提交H 1 - B签证的申请程序是相当复杂的。

youdao

Why did it take Chatterji years to get his H1 visa and then his green card?

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They have already hit their quota this year so no one can get an H1 visa until 2013-14.

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After years of trying, he eventually received his H1 visa and then after an even more arduous process, he got his green card.

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