After eight years of hard work， he was able to pay off all his debts.
After eight years of hard work， he was able to pay off all his debts.
八年艰苦劳动之后，他终于能够还清所有的债款。
After eight years of hard work， he was able to pay off all his debts.
八年艰苦劳动之后，他终于能够还清所有的债款。