在容器中，Flex需要能够添加除了容器之外的更多其他东西，比如滚动条、边框和覆盖图等。

In a container, Flex needs to be able to add many things in addition to the container, such as scroll bars, borders, overlays, and so on.

youdao

在容器中，Flex需要能够添加除了容器之外的更多其他东西，比如滚动条、边框和覆盖图等。

In a container, Flex needs to be able to add many things in addition to the container, such as scroll bars, borders, overlays, and so on.

youdao