That makes sense, though, because margin and capacity are relational concepts: margin is the difference between your total capacity and how much of that capacity you're using.

尽管如此，让我试着这样说，余地和最大能力是两个相关的概念：余地是你能发挥的最大能力和你所实际运用的能力之间的差额。

youdao

In the meantime, the reserve margin—the excess of generation capacity overpeak demand—has shrunk to about 8%, compared with the international standard ofat least 15%.

同时，电源储备量——超过峰值需量的额外发电容量——已减少了8％，而国际标准是至少15％。

youdao

Meanwhile, the shortage of capacity means that its margin of excess power has been shrinking for 20 years.

同时，产量的缺少也意味着20年来其过量能量的边际效应一直在缩小。

youdao

At the margin, refining capacity, local demand, these sorts of things matter from day to day.

NPR: Curb Your Conspiracy Theories on Gas Prices

The weakness in output growth at home will open up a growing margin of spare capacity that will over time bear down on inflation.

BBC: Central banks' official statements

But inflation should then drop back, as the contribution from retail energy prices wanes and the margin of spare capacity in the economy increases.

BBC: Central banks' official statements