求教英语高手翻译小段话，不要机器翻译，谢谢！

大一大二时候，我们主要学习日语的基础知识，如词汇、语法等。进入大三后，我们利用已学会的语言基础开始接触日本社会的方方面面，例如日本的社会制度，文化习俗等等。此时，我开始注意到日本政治制度中的“福利制度”。这是日本社会制度的亮点，同时也是中国社会尚未成熟的部分。

希望语句自然，不是中式英语。不要机器翻译，谢谢！

When we are the first and the second year in University , we mainly study the basic knowledge of Japanese, such as vocabulary, grammar etc.. Into the third year , we use the basic language learned started to contact the Japanese society in all aspects, such as Japan's social system, cultural custom and so on. At this time, I began to notice that the Japanese political system in the "welfare system". This is the highlight of the Japanese social system, is also Chinese society is not yet mature part.

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