实践可以检验自身的理论。我认为只有经过实践检验的理论会具有更高的价值。我们的研究不能成为空中楼阁只有理论上的意义而无实践价值。翻译英文

Practice can validate one's own theory. I believe that only theories proven through practice can have higher value. Our research cannot be just a castle in the air, with only theoretical significance and no practical value.