Everything,at first, appeared to be normal.

VOA: special.2010.07.07

It could be normal, everything, that would be a Gaussian, where if you recall there was a mean, and a standard deviation, and most values were going to be close to the mean.

可能是正态分布，也就是高斯分布，只要有平均值和标准偏差值，你就可以进行调用，大部分的值都是集中在平均值附近的。

麻省理工公开课 - 计算机科学及编程导论课程节选

"We are doing everything we can to contain the oil offshore, defend the shoreline and return people's lives to normal as fast as we can."

VOA: standard.2010.05.31

Her overwhelmed mother pretends everything is normal, and the family refuses to face the problem.

VOA: standard.2010.07.22