generic

adj. /dʒəˈner.ɪk/ C1

通用的；一般的；无商标的

Shared by or typical of a whole group; not specific or branded.

仙境例句

The snail sent a generic letter to all the fish, which began: Dear Fish.

蜗牛给所有的鱼寄了一封通用的信，开头写着：亲爱的鱼。