怎么译there is no way to justify it.结合上文

怎么译there is no way to justify it.结合上文
W:What made you steal so much money?Did you need so much?
M:First,I discovered this huge amount of money.Then I went from the need to pay off a few debts to what can only be described as greed.
W:You just couldn't hold back your greed for money?
M:Yeah,there is no way to justify it.
还有这句:Then I went from the need to pay off a few debts to what can only be described as greed.怎么分析这句(语法)