as much time as you can是一个整体,修饰所花费的时间
还是spend in doingas much time as you can什么意思啊you should spend as much time as you can (exercise) (keep) fit又是什么意思啊你应该花尽可能多的时间来锻炼，以使身材苗条as much time as you can是一个整体什么意思啊 you can 加上去不是 多此一举吗you should spend as much time as(exercise) (keep) fit 这样才好做 as much time as you can是一个整体，修饰所花费的时间 到底什么意思啊