如果你想彻底弄明白，你得自己去想象。

If you want to fully understand that, you must figure it to yourself.

youdao

在察看镜头前，务必了解镜头的基本特征，并且要彻底弄明白为什么你的套装镜头是劣质产品。

Before you look at lenses, it's important to understand the basic characteristics of lenses and be aware of why exactly your kit lens is an inferior product.

youdao

这里有个小提示：绝大多数情形，你应该试着只问三个以内的问题，而且只在那些你特别感兴趣然后希望彻底弄明白的事情上。

A tip: try to stay within three chunking levels for most of the time, digging deeper only on topics of particular interest where you want to bottom out the subject.

youdao