这些建筑在外观上非常相似。

The buildings are very similar in ___appearance.

仅通过以特定方式照明，你就可以改变整个房间的外观。

You can change the whole ___appearance of a room just by lighting it in a certain way.

她表现出非常高效的样貌。

She gives the ___appearance of being very efficient.