…XXX…What do you think about it?
(1) There are numerous approaches to solving XXX/impacts on XXX/characteristics of XXX, and I would explore the most conspicuous ones here.
One of the primary method/One of the primary impacts/ One of the primary characteristics, to my mind, is that_________________.
A more subtle point which we must consider is that___________________.
In addition/Furthermore, __________________.
In conclusion/Taking into account of all these methods/effects/aspects, we may reach the conclusion that________________________.
(2) Among countless factors which contribute to XXX, three conspicuous aspects are as follows. One of the primary causes is that______________________.
XXX also results from_______________________. ____________________is responsible for XXX, as well.
To put all into a nutshell, I draw the conclusion that A, B and C are three main contributors to XXX.