pull factor
noun [ C ] uk/ˈpʊl ˌfæk.tər/ us/ˈpʊl ˌfæk.tɚ/
拉力因素，拉动因素，吸引人的原因
something that attracts people to a place or an activity
Warm weather and a low living costs are two of the pull factors drawing retirees to Texas. 温暖的天气和低廉的生活成本是吸引退休人员去往德州的两个拉动因素。
Compare: push factor