Usually, I don't spare time for exercise, but I value the physical education class at school.
通常,我不会花时间来做运动,但是我很重视学校的体育课。
That could leave less time for exercise.
这会减少他们进行锻炼的时间。
Make time for exercise and be conscious of your diet.
腾出时间锻炼身体并注意你的饮食。
But the kind of exercise we did last time is a useful exercise for those of you who are Econ majors.
但是我们上节课做的练习,对经济学专业的同学是非常有用的
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