Although people sometimes buy property sight unseen, it's a remarkably bad idea.是什么意思？

Although people sometimes buy property sight unseen, it's a remarkably bad idea.

尽管人们有时没看房就买了房，但这真是一个很糟糕的主意。

although

conj. 尽管，虽然，但是，然

例句
He was in love with her, although he did not put that name to it.
他爱着她，虽然他没有将其称为爱。

people

n. 人，人类，居民，人民，种族；vt. 居住于，布满，使住满人，在…殖民，把动物放养在；

例句
Most people have very little difficulty in seeing why a Van Gogh is a work of genius.
多数人不难理解为什么凡·高的作品是天才之作。

sometimes

adv. 有时，间或，时

例句
I want to work at home on a Tuesday but as it turns out sometimes it's a Wednesday or a Thursday.
我想周二在家工作，但实际上有时却是周三或是周四。

buy

vt.& vi. 购买，购得；n. 交易，买卖，便宜货；vt. 够支付，买通，收买，贿赂；

例句
I intend to take full advantage of this trip to buy the things we need.
我打算充分利用这次旅行来购买我们所需的物品。

property

n. 财产，房地产，特性，属性；

例句
The property is set in two acres of land.
这座房产占地两英亩。

sight

n. 视力，看见，视野，景象；vt. 看见，发现，瞄准，观察，调准瞄准器；vi. （用仪器）瞄准，观察；

例句
There are places you can take physically handicapped children where staff don't blanch at the sight of a wheelchair.
有些地方你能带残疾儿童去，那里的工作人员不会一看到轮椅就退缩。

unseen

adj. 看不见的，未看见的，未事先过目的，即席的；n. 即席翻译，即席翻译的文章；

例句
The forest was dark and silent, haunted by shadows and unseen presences...
这个森林黑暗寂静，经常有幽灵和看不见的鬼怪出没。

remarkably

adv. 引人注目地，明显地，非常地；

例句
She is a remarkably adroit and determined politician.
她是一位异常精明果断的政治家。

bad

adj. 坏的，不好的，严重的，不舒服的，低劣的，有害的；n. 坏人，坏事；adv. 不好地，非常地；

例句
We closed our offices at 2:00 p.m. to give employees time to absorb the bad news.
我们下午两点就放工了，以便给员工时间来慢慢接受这一坏消息。

idea

n. 主意，想法，[哲]理念，观念，[乐]乐句，模糊想法；

例句
It is often a good idea to start with smaller, easily achievable goals.
一开始把目标定得低一点、容易实现一点，总不失为一个好主意。