Where do they fall short?

他们的不足又在何处？

Nonetheless, supplies still fall short of the need.

尽管如此，这些用品仍然供不应求。

Even if you do your best, you may still fall short.

尽管你尽力了，但你仍然可能失败。

The Copenhagen summit on climate change is going to fall short.

哥本哈根气候变化峰会将无法达成目标。

Yet the strategy continues to fall short in a couple of key areas.

然而这种战略却接二连三地在几个关键领域捉襟见肘。