in fact there is some other voice here,

但事实上还是有其它人的声音
and it's a voice that can't help but drop

那个声音又将
the name of Vladimir Nabokov into the prose.

弗拉基米尔·纳博科夫的名字显示于散文中
So, right away, in this moment of layered narratives,

马上在这个分层叙述中
a framed narrative around another narrative,

一个叙述框架环绕着另一个叙述
there is a sort of instability in the layers.

层次之间存在着一种不稳定性
Where is Nabokov here?

此处纳博科夫隐匿在哪
There is also the question of what kind of reader we are that this

前言还提出了下述问题将其摆放在我们面前
preface brings up and sort of puts in front of us.

我们是哪类读者呢
Are we the kind of reader who is interested in the real persons?

我们是那种对真人更感兴趣的读者吗
Well, it gives the story that's to follow that sense of being true,

前言让故事追求真实感
because it suggests its fictionality as a thin veneer

因为它表明其虚构性就像层薄弱的外壳