What we must do now is to make a careful investigation of the situation.

我们现在必须做的是把情况作一番仔细的调查。

youdao

The report is written after careful investigation, so it should be reliable.

这份报告是通过周密调查后写成的，因而应该可靠。

youdao

Thee report was written after a careful investigation, so it should be reliable.

这份报告是经过周密调查后才写成的，所以应该是可靠的。

youdao

He credited the careful investigation by family and police as well as the department's recommendation.

NPR: Police Memorial Wall Comes With Some Tough Calls

Can we get some careful investigation of this chronology?

FORBES: Glenn Beck Just Doesn't Get America's Strong Character

However, petitioner did not produce any evidence demonstrating that he made a careful and thorough investigation of the potential profitability of this change before making it.

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