翻译此句：美国学生中百分之五十的零花钱来自课外工作，而同样的数字在中国学生中只有百分之五。

Among the American students,50% of their pocket money is from part-time jobs,while the same percentage is merely 5% among Chinese students.

50% of students in the United States of pocket money from the extra-curricular work, and the same number of students in China, only five per cent.

Half of American students' money from their part-time job,but in China,the same rate is just about 5 persent

A half money of American student is getting from part-time job ,and same rate in China is just about five percent.

Fifty percent of American students from outside work and money in the same number only five percent of the students in China.