The costumes refer to the era; they don't define the film type. Costume productions can be ghost films, romances, thrillers, detective stories, and so forth. There are at least 18 different kinds of film that you can do in costume. "
古裝是指年代，不是指片種，古裝可以有鬼片、愛情、懸疑、偵探等，至少還可以開發 18 種類型。」