40 字摘要：墨西哥学生跨越边境前往美国留学，面临签证限制。 40-character summary: Mexican students cross border for US education, facing visa restrictions.
400 字摘要：数千名来自墨西哥的学生，其中许多人即将毕业，已经越过边境进入美国上学。 400-character summary: Thousands of students from Mexico, many set to graduate, have been crossing the border into the US for school. 圣地亚哥州立大学帝国谷分校 24 岁大四学生 Jose M. Vazquez 已通勤九年，由于签证限制，他的母亲只能前往墨西哥墨西卡利参加他的毕业典礼。 Jose M. Vazquez, a 24-year-old senior at San Diego State University Imperial Valley, has been commuting for nine years, with his mother attending his graduation ceremony in Mexicali, Mexico, due to visa restrictions. 这些跨境学生的年龄最小的只有幼儿园儿童，他们在加利福尼亚州、亚利桑那州、新墨西哥州和德克萨斯州的学校上学。 These transborder students, as young as kindergarteners, attend schools in California, Arizona, New Mexico, and Texas.