请回答一个简单的问题，很正确，有问题，需要讨论，再看一下注解，再读一遍课文，再想一想，很好谢谢！

Please answer a simple question. Very good. There are some problems we need to discuss. Let's read the notes again. Let's read the text again.

youdao

请回答一个简单的问题，很正确，有问题，需要讨论，再看一下注解，再读一遍课文，再想一想，很好谢谢！

Please answer a simple question. Very good. There are some problems we need to discuss. Let's read the notes again. Let's read the text again.

youdao