Time used up surfing the Web or checking Facebook is gone forever.

耗费在上网或是查看Facebook的时间就永远消逝了。

youdao

Worst of all: the CPU time used by the current thread can be irrelevant.

最糟糕的是：当前线程使用的 CPU 时间可能是不相关的。

youdao

The customer hires developers or consultants for a longer time period and pays for the time used.

客户在较长时间内雇佣开发人员或咨询人员，并根据使用的时间支付报酬。

youdao

Charles Wortmann at the University of Nebraska-Lincoln says a one-time tillage may be used to correct a problem like aggressive weeds.

VOA: special.2010.09.28

The time they went with his family to Ocean City; the erotic fantasies he used to have about her.

他俩跟他一家子去欧欣城的往事;,他当时对她所怀着的想入非非的欲念。

耶鲁公开课 - 1945年后的美国小说课程节选

And I think there was a time when that sense of dominion was used as justification for using those resources only to serve human needs.

我想，有一段时间里，这种统治感,被人们当做使用资源的借口,仅仅为了满足人类的需求。

普林斯顿公开课 - 人性课程节选

Time used to develop personal relationships with colleagues and customers will never be time wasted.

FORBES: Building Relationships for Your Business

"Forty percent of my time used to be spent involved in senior management politics, " says Paul Coackley, BHS' chief operating officer.

FORBES: Billionaires

Another study by AOL and Salary.com states that American workers actually work only 3 days per week, with a good portion of the non-work time used surfing the Internet.

FORBES: Why Boredom Is A Dangerous Thing