Before we move on, I need to explain two coding issues here.

在我们继续前进前，我要解释一下，这里有两个代码问题。

youdao

Let me explain. Two brothers decided to dig a deep hole behind their house. As they were working, a couple of older boys stopped by to watch.

有俩兄弟决定在他们房子后面挖一个深洞，就在他们不停地挖掘时，几个年龄大点的孩子在他们身边停下来看热闹。

youdao

Let me explain. Two brothers decided to dig a deep hole behind their house. As they were working, a couple of older boys stopped by to watch.

有俩兄弟决定在他们房子后面挖一个深洞，就在他们不停地挖掘时，几个年龄大点的孩子在他们身边停下来看热闹。

youdao