花了四十美元买了这本词典
spent fourty dollars buying this dictionary
例：
安迪和玛丽花了四十美元买了这本词典
Andy and Mary spent fourty dollars buying this dictionary.
她花了四十美元买了这本词典
She spent fourty dollars buying this dictionary.
我花了四十美元买了这本词典
I spent fourty dollars buying this dictionary.