I wish i had all the time i'd ever wasted,so i could waste it all over again

问题描述:

I wish i had all the time i'd ever wasted,so i could waste it all over again
我想知道这句话中的“all over”是什么意思,用在这里有什么意义?可不可以去掉呢?请懂的人详细回答,

all over again 词组 意思是 再一次