no obligation短语²⁵⁰⁹⁶ 基本例句 🌏无义务;没有义务;无法律上的义务条件下离职 One of the most notable means of promotion today is the Promotional Product, as in useful items distributed to targeted audiences with no obligation attached. 今天最显眼的一种促销方式就是促销产品,即那些免费发放给目标受众的有用的产品。 yeeyan