The bigger your carbon footprint the bigger your moral duty.

碳排放量越大，道德责任就越大。

Who cares? It's time to downsize, minimize my carbon footprint.

谁在乎啊? 我是时候过过低碳生活了。

But he might have depicted the footprints more graphically.

但他可能更生动地描绘了通往全球化的足迹。

The app suddenly had a substantial footprint in the U.S.

该应用突然在美国占据了一席之地。

Imagine a traditional city and consolidating its footprint.

想象一个传统的城市正在整合它的占地面积。

We know this because they left actual footprints.

我们知道这一点，因为他们留下了实际的脚印。

Check out these footprints. Pretty deep in there.

我有个修改过的推断。

There is no American footprint here.

这里没有美国人的踪迹。

It also adds to the oil's climate footprint.

它还增加石油的（气候变化）的碳排放量。

Look. You can see the footprints where he walked.

看 这还有他走过的脚印呢。