百分之40的学生认为锻炼浪费时间的翻译：40 per cent of students considered that exercise a waste of time 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

40 percent of the students exercise a waste of time

40 per cent of students considered that exercise a waste of time

40% students thought the exercise wastes the time

40 % of the students believe that tempering waste of time

40 per cent of students considered that exercise a waste of time