If you don't know it, while 20 percent of blacks and Hispanics who begin with a major in science and engineering will actually graduate in science and engineering, only 32 percent of whites who begin with majors in those areas actually succeed and graduate in those areas, and only 42 percent of Asian-Americans.
你可能不知道，大学入学时报考自然科学 及工程学并顺利拿到相关专业文凭的 非洲裔和西班牙裔学生只有20% 在一样的领域, 白人学生比例則是32% 在一样的领域, 白人学生比例則是32% 而亚裔学生只有42%