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。