pause 用作名词是可数的，通常说的“暂停”，是个一次性的动作，是要加不定冠词的。所以原句应改为：

After the consolidation there needs to be a pause.

【翻译】在整合之后，需要暂停。

更多例句：

He made a pause to pick up a shell.  他停下来拾起一只贝壳。

She spoke for an hour without a pause.  她不停地讲了一小时.

There was a pause before she began to speak again.  她停顿一下又开始说话。