translation.en: I started it as one in a series of many projects I had done at the time for myself, partly because I needed the end result, but even more because I just enjoyed programming.
translation.zh: 它是我一系列项目中的一个， 纯粹出于自己当时的需要， 部分原因是我需要得到结果， 但更重要的原因是我享受编程。