一切都要经过核实。

This has everything to do with verification.

youdao

但是在电台使用这些资料前总要经过核实，他补充到。

But it is always vetted before being used on air, he adds.

youdao

但是在电台使用这些资料前总要经过核实，他补充到。

But it is always vetted before being used on air, he adds.

youdao