clinch the argument meaning in English

作出最后的结论

That clinches the argument .
那件事澄清了这项议论。
If they think that that clinches the argument against deregulation of the economy , they miss a crucial point
如果他们认为那样做就能证明反对撤消经济调节之说言之有理，那么他们就没有抓住问题的要害。
And as if to clinch the argument , the captain was now reading the final article of war , the one which filled in every gap
如同要铆牢这些规矩似的，船长开始读最后一条战争法典，能填补一切漏洞的一条。
32 if they think that that clinches the argument against deregulation of the economy , they miss a crucial point
如果他们认为那样做就能充分证明反对撤销经济调节之说言之有理，那么他们就没有抓住问题的要害。