Marcus thinks the foremost technical obstacle is that "we don’t really understand enough about how the brain works."

Marcus认为最大的技术障碍是“我们根本搞不明白大脑是如何工作的。”

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Multimedia Database has been the highlight among all kinds of study in the field of Database research, and yet there are still many technical obstacle to overcome.

多媒体数据库是当前数据库研究的热点，也存在很多的技术难点。

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From a technical point of view, nothing impossible obstacle, because now, even the sanitary towel, in Taobao sell it.

从技术角度上讲，没什么不可能实现的障碍，因为现在，就算是卫生巾，在淘宝都有的卖。

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