1、首先,我们必须认识到……(Firstly, we must recognize that...)
2、据我所知,……(As far as I know,...)
3、考虑到所有这些因素,……是非常重要的。(Taking all of these factors into consideration, it is crucial that...)
4、另一方面,……(On the other hand,...)
5、据统计,……(According to statistics,...)
6、因此,我们可以得出结论,……(Therefore, we can conclude that...)
7、除此之外,还应该……(In addition, it is important to...)
8、值得注意的是,……(It is worth noting that...)
9、在我的观点中,……(In my opinion,...)
10、总的来说,……(Overall,...)