Don't stress minor issues at the expense of the central task.

不要因次要问题而冲淡了中心任务。

《新英汉大辞典》

While attending to the central task, we should unfold the work in other fields.

我们在从事中心工作的同时，还要开展其他方面的工作。

youdao

Striving for an environmentally appealing city has become a central task for all the citizens of Beijing.

努力成为一个环境喜人的城市已经成为北京市民的中心任务。

youdao

That is why the central task for discussions and debates during the Conference is to define new priorities of cultural policy as policy for culture.

UNESCO: The Regional Conference of the CIS countries with participation of international experts ��Cultural Policy and Policy for Culture: Towards a New Cultural Policy Profile�� | United Nations Educational, Scientific and Cultural Organization

To be fair to the politicians, this fiscal balancing act is far harder than the central bankers' task, for two reasons.

ECONOMIST: Fiscal policy

For more than two decades, central banks' main task was to fight inflation.

ECONOMIST: Yesterday's financial architecture needs refurbishing