they are not really glasses,they are only frames.(in) different colors and shapes,这里为啥用in?
问题描述：
they are not really glasses,they are only frames.(in) different colors and shapes,这里为啥用in?
答
固定搭配的哟,对于颜色和形状,要用介词in
例如
Did you see the girl in blue?
你看见那个穿蓝色衣服的女孩了吗