Bulk flow is like public transportation — it moves large numbers of molecules, quickly.

容积运动就像公共交通——它快速移动大量分子。

So this is story number one. Let me move on to story number two.

这就是我的第一个故事。现在让我来讲第二个故事。

Now everyday Americans are getting squeezed by higher prices, and unfortunately the numbers are all moving in the wrong direction.

现在，美国人每天都对越来越高的价格感到压力重重，不幸的是，这些数字都朝着错误的方向移动。

All this time, scientists knew the moving numbers around on a clock doesn't actually save time, so they just followed Greenwich.

一直以来，科学家都知道在时钟上移动数字实际上并不能节省时间，因此他们只依照格林威治时间。

Formed of a constantly moving chain of boxes that passengers could step in and out of — the systems were initially very popular in buildings where large numbers of people frequently moved between floors.

这个系统由一个不断移动的盒子链组成，乘客可以进进出出——这个系统最初在大量人员频繁在楼层之间移动的建筑中很受欢迎。