for .... Is ....

其实有很多原因，不过，造成________的最重要的原因是______________。 It might also be noted that....

需要注意的是，____________。

Another reason why .....(凑字数，但不可滥用) is that....(有利于写长句)

What is also worth noticing is that....

值得一提的是___________________。

There is another factor that deserves some words here.

还有另外一个很重要的原因。

A more essential factor why.... Is that

________ 的更为重要的原因是____________。

A further reason why,,,, is that.....

________的更深层次的原因是____________。

In addition..此外，再者

Moving on to wider themes,_______

展开来说，_________________________。

The second thing that must be taken into consideration is that... 第二个原因也很重要（值得考虑），亦即__________。

Likewise(同样), common sense tells us that...

同样，___________，这是众所周知的。

The third but very important reason is that...

第三个（尽管不是很重要）原因是______________。

The third, not the last is that,

第三个原因是___________。

The last factor to be taken seriously is...

第三个重要原因是_______________。

Finally, moreover, last but not least, furthermore.

As the proverb goes: "every coin has its two sides", ....is no exception.

俗语有云："万事万物都有两面性。" ________也不例外。

Every thing has a good side and a bad side, and ....is no exception. 万事万物有其两面性，而________也是如此。

The discussion as to whether the ... is a blessing or a curse arouses most people's interests.

__________是好坏利弊问题引起了很多人的兴趣。

..plays such an important role that it undeniably becomes the biggest concern of the present world.

______ 尤为重要而引起当今社会的关注。

There comes a question: is it a blessing or a curse.

问题是：____是福是祸？

There is no denying that every thing has one more face and ... is no exception.