给出一个短文段落，生成一个新增或修改其中一个单词而不影响整个段落含义的单词列表。


段落: Although the project was ambitious, the team managed to complete it on time and within budget.
要更改的单词: ambitious
新增: Despite the project being daunting, the team managed to complete it on time and within budget.
修改: Although the project was challenging, the team managed to complete it on time and within budget.