It turned out my son was an early talker事实证明我儿子属于学说话很早的孩子

turn out结果是

The chief conductor turned out to be a young woman.

列车长原来是一位青年妇女。

I'm sure it will turn out a futile attempt.

我肯定这会是白费功夫。

相关短语turn out that 结果是...

Things may not necessarily turn out that way.

事情未必会如此。

It turned out that my surmise was correct.

结果表明我的推测没有错。

and so the challenges this now sets up for us is how do you start extracting the right kind of metadata,因此现阶段我们面临的挑战是如何着手提取出有用的元数据

set up建立；树立

It is now our aim to set up a factory.

我们现在的目的是创办一座工厂。

A committee was set up to look into the workers' grievances.

成立了一个委员会来调查工人的不满。