总结的信号词主要包括以下几类：

建议类

Let's

If

Just

Maybe

Could

Should

It wouldn't hurt

Why not

转折类

But

However

Nevertheless

While

Yet

Unless

Except for

并列类

First

Finally

Before

Until

First of all

Between

On the right/left

Firstly

Next

Subsequently

To begin with

因果类

因：because, because of, due to, since, as, for, the reason is, that's why, by reason of, owing to

果：so, so that, therefore, thereby, hereby, thus, as a result, consequently, hence, accordingly

同一词汇链信号词

这些词通过联想，帮助快速锁定答案范围。例如：post office → send, stamp, package

提示性信号词

这些词更加直接明了，如时间、地点、人名等。例如：address, postcode

逻辑信号词

这些词引领着答案的出现，如转折词“but”, “however”等。

其他总结性用语

简言之

总而言之

一言以蔽之

归根结底

简而言之（重复）

总之

综上所述

这些信号词在写作和口语中都有广泛应用，能够帮助人们更好地组织思路、表达观点和总结内容。