The buildings are very similar in appearance.
You can alter/change the whole appearance of a room just by lighting it in a certain way.
She gives the appearance of being very efficient.
I usually buy fashionable clothes, because I think [your] appearance is really important. (Preliminary English Test; B1; Spanish)
It was his first appearance on television/television appearance as president.
She made two appearances during her visit.
She will be making a public appearance, signing copies of her latest novel.
You probably know him, because he [made] an appearance [i]n the film "Bad Boys." (First Certificate in English; B2; Greek)
The appearance of new products on the market has increased competition.
The appearance of the car has facilitated our lives. (First Certificate in English; B2; Greek)