巴以两方冲突不断升级，现在是至关紧要的时刻。

So this is a pretty significant moment in this escalating crisis.

至关紧要的是，我们应当采取行动制止破坏雨林。

It is vital that we act to stop the destruction of the rainforests.

专家们一致认为，新的城市化模式是至关紧要的。

Experts agree that a new urbanization model is crucial.

然后，在我们真正大肆庆祝之前，我们也必须记住，心理史学只是一门学科而已；真正至关紧要的是谢顿的计划。

Before we really get the party started, though, we would do well to remember that psychohistory is just a discipline; what really mattered was Seldon's Plan.

撞车造成的健忘症已抹掉了关于阿尔玛桥隧道里撞车前至关紧要的三四分钟以及事后情况的记忆．那时他正悬命于生死之间。

Postcrash amnesia has robbed him of the vital three or four minutes that preceded the crash in the Pont d'Alma tunnel and its aftermath, when he lay suspended between life and death.