工具需要标题。

Tool requires a title.

youdao

这是非常重要的，因为主体需要首先呈现才能确定Header中的标题和工具栏中显示的按钮。

This is very important because the body needs to be rendered first to determine the title in the header and the buttons shown in the tools bar.

youdao

这是非常重要的，因为主体需要首先呈现才能确定Header中的标题和工具栏中显示的按钮。

This is very important because the body needs to be rendered first to determine the title in the header and the buttons shown in the tools bar.

youdao