1.Hard facts prove that......
铁一般的事实证明了......
2.All available evidence points to the fact that.....
所有现存的证据都证明了这个事实......
3.It was evident that ....../Apparently,......
显然地，
4.Almost without exception,....../Its generally agreed,......
无可非议的是，
5.The plain trurh is that......
明摆着的事实是，
6.It must be pointed out that......
必须被指出的是，
7.A case in point is that.......
一个重要的例子是，
8.The saying ......indicates that......
这个谚语证明了......
9.Its probably no exaggeration to say that......
毫不夸张地说，
10.To be frank,....../Frankly,
坦白的说，