The search function that Twitter acquired from Summize is probably the most commonly used real-time search engine on the Internet right now.

如今，Twitter从Summize收购的搜索功能可能是互联网中使用最普遍的搜索引擎。

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This economic factor depends on the conditions in which the function of the pleasure principle is exercised at a level that I will take up again, at the right time, in the term Real-Ich.

这个经济的因素，依靠快乐原理的功能所运作的状况而定，我曾在适当时刻，以“真实的自我”这个术语名之。

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Registration is the condition for the change of real right, which has the function of public announcement, public evidence and warn.

登记是物权变动的要件，具有公示、公信和警示作用。

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