There are fast trains, slow trains, trains that go under the ground, and trains that go through mountains.

这儿有快车，慢车；还有地下火车和穿山火车。

youdao

Which is the steady state approximation, where one rate, the rate to go into the intermediate is very slow, or the rate to get out of the intermediate is very fast.

它是稳态近似，其中一个速率，生成中间产物的速率十分缓慢，或用掉中间产物的速率十分快。

youdao

You could go in any direction, fast or slow as you wanted, fighting the wind if you felt like it, seeking out new sights just on the strength of your feet and the courage of your lungs.

你可以跑向任何方向，想快就快，想慢就慢，如果你喜欢还可以跟风对抗，完全靠自己脚力和肺的勇气寻找新的风景。

youdao

So, right now, it's really this open community, which is what the Internet was all designed initially to be, and now, a lot of folks are saying - big telecommunications and major companies like that, the largest telephone and cable companies are really trying to be gatekeepers in deciding which website go fast or slow or which won't load at all, and that could cause competition within the industry.

NPR: Net Neutrality Battle Goes to Washington

You have to go out slow on your out lap and then go as fast as you can on one lap.

BBC: Dixon showed well in his first test of an F1 car

Sometimes you have to go slow before you go fast.

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