You could wait until teenage years to do something like this - but it's a good thing because this shows them why basic math is necessary.
你可以等到孩子十几岁再教他们这些知识，这是一个很好的机会来展示为什么他们需要了解数学基础知识。
Why do we always catch up with those who do not want to wait for their own people, and missed some obviously can go very fast, but would like to stop.
我们为什么要总去追赶那些不愿意等自己的人，而错过了一些明明可以走很快，却愿意停下来的人。
Why do we always catch up with those who do not want to wait for their own people, and missed some obviously can go very fast, but would like to stop.
我们为什么要总去追赶那些不愿意等自己的人，而错过了一些明明可以走很快，却愿意停下来的人。
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