soft opening
noun [ C ] business specialized uk/ˌsɒft ˈəʊ.pən.ɪŋ/ us/ˌsɑːft ˈoʊp.nɪŋ/
试营业，试营运
an occasion when a business is opened for the first time, but only to a limited number of people at first
A soft opening gives a restaurant a chance to try out their food on real people. 试营业让餐馆有机会邀请真正的顾客试吃菜品。
Compare: hard opening