求翻译：总之，这次香港之旅让我受益匪浅，让我更加坚定了自己的信心：要好好努力学习，长大后为国家的发展做出贡献！是什么意思？

In short, the trip to Hong Kong has benefited me, makes me more determined their confidence to make efforts to learn, grow up to contribute to the development of the country!