They also do not have access to quality health care or other prerequisites for upward social mobility.
他们也无法获得高质量的医疗保健或其他社会向上流动的先决条件。
2
They also do not have access to quality health care, or other prerequisites for upward social mobility.
他们也无法获得优质的医疗保健或其他向上层社会流动的先决条件。
3
In fact, usually the system blocks anyone trying to sign up for a class they shouldn't be taking, who hasn't taken the courses you are required to do first as prerequisites.