根据白宫提供的资料，参加此项目的客工最多可来美工作三次，每次不超过两年，而且至少要在美国境外生活一年才能再次入境。

Workers in the program would be limited to three two-year terms, with at least a year spent outside the United States between each term.

youdao

根据白宫提供的资料，参加此项目的客工最多可来美工作三次，每次不超过两年，而且至少要在美国境外生活一年才能再次入境。

Workers in the program would be limited to three two-year terms, with at least a year spent outside the United States between each term.

youdao