The word 'tra' usually means tranposed, meaning transcribed or tranposed. In novels and web novels, the term 'ir' was often used to indicate that some words or sentences had been tampered with or changed to achieve a certain visual effect or plot development. For example, some sentences or words may be shortened or lengthened or replaced with other words or sentences. This kind of modification is usually done to enhance the rhythm, rhythm, or visual effect of a novel or essay. However, this kind of modification may also cause confusion or misunderstanding to the readers. Therefore, when reading novels or web novels, you need to pay attention to whether there is the existence of the TL phenomenon and understand its meaning.