What you want to do is clear one area.

你所要做的只是清理一个地方。

youdao

One clear area of focus is energy.

FORBES: Magazine Article

The one area where there is a clear division between the candidates is over future defence spending.

ECONOMIST: Defence

The report also found there was "no evidence of clear thinking" on how a decision to save money in one budget area might have a knock-on effect on costs elsewhere.

BBC: portrait of PAC chair Margaret Hodge