【简介】感谢网友“雕龙文库”参与投稿，这里小编给大家分享一些，方便大家学习。
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1.Although the popular belief is fact ,a current study indicates that...
2.The increase faliure in... mianly results from...
3.As the saying goes,...
4.What is also worth noticing is that...
5.One may contribute the increase to..., but ... is not by itself an andequate explnation.
6.According to the figure released by ..., it can be learned that ...
