求翻译：但是出国留学中的人水平参差不齐，有的只是留学镀金，根本没有真凭实学，归国后不能更好的回报社会，而有的一些人干脆留在国外，造成了人才外流的现象。是什么意思？

But the uneven level of people abroad, some students just gold-plated, there is no true with real learning, not better after returning back to society, while some some people simply stay abroad, causing a brain drain phenomenon.

But going abroad to study disparities in the level of the person in the only study that has gold-plated, it is not true with lyceum, after returning home should not be a good return, and that there are a number of people simply left in a foreign country, causing a brain drain.

But goes abroad to study the human level to be irregular, some is only the abroad study gold-plating, simply does not have the real evidence practical knowledge, after repatriates cannot the better repayment society, but some some people remain simply overseas, has created the brain drain phenomenon

But people who study abroad in the DMV, but studying in gold, is not really real, cannot be better after returning back to society, and some people decided to stay abroad, resulting in the phenomenon of the brain drain.

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