Trying to keep track of these changes by translating them would be an inappropriate task.

keep 在这里是动词，意思是"保持、维持"。 track 是名词，意思是"踪迹、轨迹、记录"，指事物发展变化的路径或记录。 keep track of 是一个固定短语，意思是"跟踪、掌握、了解...的最新情况"，指持续关注并记录某事物的发展变化。