appetite
appetite(对某事物的渴望,含生理/本能驱动意味:appetite for food/power)
desire
desire(欲望,渴望,更广义,强调主观意志:desire for success/change = 对成功/改变的渴望)
His insatiable appetite for political power ultimately led to his downfall.
他对政治权力贪得无厌的渴望最终导致了他的垮台。
The survey revealed a growing desire among young professionals for greater flexibility in their working arrangements.
调查揭示,年轻职场人士越来越渴望在工作安排上拥有更大的灵活性。