More profoundly, the previous version of the code was able to return the toppings panel back to the calling code, and the calling code was then able to add the toppings panel to the parent panel.

更深入地看，代码的先前版本能够将toppings面板返回给调用代码，并且调用代码随后可以将toppings面板添加到父面板中。

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More profoundly, the previous version of the code was able to return the toppings panel back to the calling code, and the calling code was then able to add the toppings panel to the parent panel.

更深入地看，代码的先前版本能够将toppings面板返回给调用代码，并且调用代码随后可以将toppings面板添加到父面板中。

youdao