但，……让人感到欣慰。
According to ..., I am confident that...
根据……我非常确信……
On one hand... on the other hand...
一方面……，另一方面……
The most obvious example is
最明显的例子就是……
Therefore, I have every reason to believe that
因此，我有理由相信……

责任编辑:zhaotingting