That sounds like Facebook Connect, but I'm going to guess that Twitter will not prohibit developers from caching that data for time-shifted, aggregate, offline or other interesting types of analysis.

这看起来有点像Facebook连接，但是我猜想t witter将不会禁止开发者缓存数据，以用来时移，聚合，离线或是其他有趣的分析。

youdao

The role of the data-movement functions is shown in Figure 4 as it relates to the types involved for copy (simple vs. aggregate).

当数据移动函数的规则涉及到复制调用的类型时（简单 VS. 聚集），这些函数的作用如图 4 所示。

youdao

It is not possible at present, for instance, to compare the numbers or types of engineers per capita around the world, because such data at the international level aggregate scientists and engineers.

UNESCO: UK National Commission for UNESCO :: Engineer shortage a threat to development, underlines UNESCO��s first global report on engineering