And as you know, twice means two times.

如你所知，twice 的意思是两倍。

Smaller habitats in India could mean testing times for the African cheetah.

印度较小的栖息地可能意味着非洲猎豹可能可以生活。

We've had our grumpy, mean times.

我们有了我们的愤怒时间。

Such days mean good times, presents, picnics, parades, and often visits with friends or relatives.

这样的日子意味着美好的时光，礼物，野餐，游行，经常与朋友或亲戚一起参观。

That means the good times and the bad times, we always helped each other and supported each other.

这意味着在人生的起伏中，我们总是互相帮助，互相支持。

You don't mean times as happened to you.

你指的不是发生在你身上的次数。

That means that sometimes it gets closer to Jupiter, and the other times it distances itself from the gas giant.

这意味着有时候它会和木星离得很近，其他时候它会自己远离这个气体巨星。

We just subtract m times the mean of x's from both sides.

我们只需从两边减去 m 乘以 x 的平均值。

We, of course use, oh and zero to mean the same thing many times.

我们，当然使用，哦和零来表示同样的事情很多次。

They were grand times, but they were mean times too, and mean were their relics.

他们是伟大的时代， 但也是卑鄙的时代， 卑鄙的是他们的遗物。

So the derivative with respect to m is 2bn times the mean of the x's.

所以关于 m 的导数是 x 的平均值的 20 亿倍。

Since were not dividing it by n, this is the mean times n.

因为我们没有将它除以 n，所以这是 n 的平均值。

That is n times the mean of the squared values of y.

那是 n 乘以 y 的平方值的平均值。

We get m times the mean of the x's minus the mean of the x squareds over the mean of x.

我们得到 m 乘以 x 的平均值减去 x 的平均值除以 x 的平均值。

But you’re actually throwing away tons of perfectly good food because many times, these dates don't mean what you think they mean.

但你实际上是在扔掉大量完美的食物， 因为很多时候，这些日期并不代表你认为的那样。

So, when we say " first" , that " first" or before can mean a short time ago, a long time ago, or mixed times.

所以，当我们说“第一次”时，“第一次”或之前可以表示不久前、很久以前或混合时间。

More riders getting on and off the subway means longer dwell times, the time a train spends in the station unloading and loading, which can add up to significant delays over time.

更多的乘客上下地铁意味着更长的停留时间，即火车在车站卸载和装载的时间， 随着时间的推移， 这可能会导致严重的延误。