Learner's definition of BILLING
[noncount]
: the things that are said or written to make people interested in a show, performer, etc.广告；宣传 ◊ The person who gets top/star billing for a play, movie, etc., is the most important or famous performer whose name is shown above the names of other performers in signs and advertisements.（在演员表或海报中排在最前面的）头牌演员，领衔主演