overhead

n. 经常开支,普通用费
a. 在头上的,高架的
ad. 在头顶上,在空中,在高处
[计算机] 总开销

Their office is in central Beijing, so their overhead is very high.

他们的办事处设在北京市中心，所以他们的日常开支很大。

Seagulls were circling overhead.

海鸥在头顶山盘旋。