A COLLECTION OF GOOD WORDS
流动性
Mobility
In so many and such important ways, then, do the planets bear witness to the earth's mobility.
因此，行星以如此多且如此重要的方式见证了地球的运动。
Freight mobility and movement, while not a sexy policy issue, is a highly important one. Capacity constraints and congestion on our nation's freight rail system create many problems.
货运的流动性和机动性虽然不是一个吸引人的政策问题，但却是一个非常重要的问题。我国货运铁路系统的运力限制和拥挤造成了许多问题。