At this stage, a source-to-target mapping is critical.

在这个阶段，源-目标映射是关键。

youdao

The crisis has been building for weeks, but has now reached a critical stage.

这场危机已经持续了几周，现在到了关键阶段。

youdao

Now it has reached a critical stage.

现在已经到了关键阶段。

youdao

The transplant is used to get the patient past the critical stage of the illness.

BBC: Some liver transplants 'avoidable'

At this critical stage, small amounts of capital with hands-on support can have a huge impact.

FORBES: Investing For Global Impact: Be Early Be Patient

Capt Easson was confronted with "an unenviable emergency at a critical stage of his flight".

BBC: Officer recalls plane crash scene