While many believed that it was unfair not to give these active users a second chance, others argued that a zero tolerance policy must be the standard.

虽然许多人认为不给这些人激活帐户的第二次机会是不公平的，但是其他人也认为这种零容忍政策必须被规范。

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Unfortunately, the standard definition of a second relies on what the atom does at a temperature of absolute zero. Real clocks need to run at room temperature, where the shell of electrons puffs up.

遗憾的是，一秒钟的标准定义依赖于原子在绝对零度的条件，而实际的时钟需要在室温下运行，室温条件下电子壳层膨胀了。

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Stephen Green, an economist at Standard Chartered, expects China's real export growth to fall to zero by the end of this year and to turn negative next year.

渣打银行的经济学家斯蒂芬·格林预计，至今年年末，中国净出口增值将降至零点，明年将呈负值。

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It might be zero for some people, but it's actually-- it is--the standard rate for people who have not negligible income is 15%.

对某些收益较少的人来说税率是零,但实际上...,对于大部分投资获利的人来说,标准税率是15%

耶鲁公开课 - 金融市场课程节选

So with problems at zero, ; which will be posted in two forms; PDF PDF for standard and PDF for hacker on cs50.net tonight, you will have the choice of implementing pretty much any scratch projects you can think of, and which subject to very few constraints.

对于问题集，我们提供了;,标准PDF以及可编程,今晚它们都会被放在CS50，net上，你可以选择任何,你想到的项目，范围不限。

哈佛公开课 - 计算机科学课程节选

It was only when the design was able to pass strict enterprise-grade Zero Error standard of 400 units surviving 500 hours of the toughest continuous testing without a single error or failure that the drive was manufactured.

ENGADGET: Plextor M5 Pro bulges SSD envelope with 94K IOPS and 540MB/s

Only electric vehicles are capable of meeting a "zero-emission" standard set by California, New York and Massachusetts.

CNN: Natural gas vehicles on a roll in U.S.

Long-term regulations were needed to phase out carbon emissions in key areas - by reducing vehicle emissions and work towards "a zero-emission vehicle standard across Europe".

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