A function call would take way too much overhead for a simple operation.

对于这种简单的操作来说，函数调用的开销太大。

youdao

As we have discussed earlier, the overhead involved in XML parsing and generation would take a flaw that would be noticeable in an EJB design and then magnify it.

就像我们前面讨论的一样，在XML的解析和生成中产生的开销将会成为缺点，这在EJB设计中是可以注意到的，然后还会放大它。

youdao

We re-estimate that it will take us about seven more days to complete Task A, because of the overhead of the interruption.

重新估算之后，我们认为由于任务进程被打断，需要花费比七天更长的时间来完成任务。

youdao

The 2.8-inch, 461k-dot capacitive touchscreen is fixed at a slight angle, making it possible to take overhead and lower-angle shots simply by rotating the entire camera.

ENGADGET

Still, while underground lines suffer a third of the outages as overhead ones, they take twice as long to repair.

FORBES: Upgrading the Grid by Going Underground

The other day I was out and about and decided to take a look at what Apple Maps overhead imagery had to offer.

FORBES: iOS 6 Maps Make Me Feel Like I Live On Pluto