[영어] 에세이, 아카데미 글쓰기

To begin with

furthermore

last but not least

On top of that

In addition

Thus

Consequently

at the outset

First, Second, Third

Some simple alternatives to "firstly, secondly, finally" could be:

The main reason why I believe... is... / Another argument is... / Also,...

One problem is that... / Furthermore,... / Another drawback is that...

From a business perspective,... / In terms of education,... / From a social point of view,...

Useful Language
To express cause: since/because, in view of/because of/owing to/ due to (the fact that)…, The reason that …/why …/for… is that…
To express effect: thus/therefore/so/consequently, as a result/consequence, the result of … would be …, … would result in …
To express purpose: so that…, so as/in order (not) to …, with the purpose of/intention of (+ing)
To express possibility/probability: It can/could/may/might…, It is possible/probable/(un)likely/foreseeable/certain that…, … is (un) likely to/bound to/certain to/ possible/probable…, The likelihood/possibility/probability of (-ing/noun) is…

To start off with .... 
Next, ..... 
At this point .... 
When that's completed, .... 
That leads us to .... 
Now we find ourselves at ..... 
And finally, ......

first off, up next, followed by, beginning with

A first argument is ..., a second argument is ... 
First of all, there is... . Then there's also ... 
First, second, third, ...

  Here’s some alternatives I often suggest:

• examples include
• specifically
• one example of this is
• take the case of
• …illustrates this point
• as a example of this, I can point to…
• I’ve witnessed numerous examples of this.  One very telling example is…

Academic Writing