In one iteration, this usually takes little time, so the system resources are claimed for only a short period.

这在一次的迭代中占有很少时间，所以只是短时间占用系统资源。

youdao

It's the one place where I can work for prolonged periods of time without interruption. I usually do my best thinking in the air.

这是我可以长时间工作而不被打扰的一个地方，我常在飞行中产生最好的想法。

youdao

G Usually Americans go Dutch when they go out to eat, unless it is understood ahead of time that one person will pay for everyone.

美国人外出吃饭通常是各自付帐，除非之前有人说请客。

youdao

An adjunct professor is hired to teach for a limited time, usually one semester.

VOA: special.2009.04.09

The risk and return components of the efficient frontier are computed for a specific time period, usually one year.

FORBES: The Efficient Frontier

Non-permanent residents apply for and receive only time-limited residency visas (usually one to three years).

FORBES: In Defense of Japan's Immigration Policy (2)

One of the few is that kindness usually cultivates connection, something we yearn for in a time-pressed, ear-to-the- cell-phone culture.

FORBES: The Most Gratifying Gift You Can Give This Holiday