variety:n.“变化，多样” e.g. a.We demand more variety in our food. 我们要求增加食物品种。 a variety of:“种种，各种” b.Nowadays,people in the city enjoy a variety of music. 如今城里人享受各种各样的音乐。 variety: n. “变化，多样” e.g. a. We demand more variety in our food. 我们要求增加食物品种。 a variety of: “种种，各种” b. Nowadays, people in the city enjoy a variety of music. 如今城里人享受各种各样的音乐