…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.