在欧洲中国人与日俱增

是想说“欧洲在中国改革开放之前没有中国大陆人”吧？欧洲改革开放是啥

在欧洲改革开放以前几乎没有大陆中国人。当时主要的中国人构成香港和台湾人。现在在每一个欧洲大城市你可以到处听到普通话。他们中的大部分是学生，其中许多的穿得衣服从头到脚都是名牌儿。其实跟别的学生很平常在欧洲中国学生穿得比较贵的衣服，让我觉得他们是福代人。

I translated your text to English first, so you can make sure that I fully understand whay you want to express.(Hopefully, you can also correct my English ^_^ )

In the Europe, there was no people who came from mainland before Chinese government implemented a reform and opening-up policy. Most of Chinese travelling to Europe then were HongKnogese and TaiWanese. However, nowadays you can hear mandarin at every corner in every European big city. Most of them are students, some of which are wearing famous brand whole body. Actually, comparing with other average students in Europe, Chinese students tend to wear more expensive clothes, which convinces me that they are a
happy and lucky generation.


I added ‘tend to’ , “常”，because Chinese prefer to say in a compromising way.(I mean, Chinese don't like to assert anything absolutely,even though that may be true)

在中国改革开放以前，欧洲几乎没有大陆人。当时在欧洲的(这里省略了：中国人)主要是香港和台湾人。而(=however)现在任何一个(=any)欧洲的大城市，你都能听到普通话。他们大多是学生，但(转折)其中不少一身从头到脚都是名牌。跟欧洲的普通学生比起来，中国学生倒是(强调)常穿更贵些的衣服，这让我觉得他们是幸运的一代。