此外，根对象的键并不仅限于字符串。

Also, the keys of the root object aren't limited to strings.

youdao

用于根对象的对象不是非常可伸缩。

The object used for the root object isn't very scalable.

youdao

对于根对象，显示根类型。

For a root object, the root type.

youdao

It's not the most interesting physical object in the world, but it's a whole lot more interesting than a piece of chalk.

它虽不是这个世界上最吸引人的物理对象,但它能干的事比一根粉笔能干的有趣多了

耶鲁公开课 - 死亡课程节选