一、开头句
1. As far as I am concerned, I believe that... 在我看来，我相信……
2. In my opinion, we should pay more attention to... 我认为，我们应该更加关注……
3. It is clear to me that... 我清楚的是……
4. I take the view that we should do... 我认为我们应该做……
5. When it comes to..., I think... 当涉及到……时，我认为……
二、转折句
1. However, it must be pointed out that... 然而，必须指出的是……
2. On the other hand, we should also note that... 另一方面，我们也应该注意到……
3. But one thing we cannot ignore is that... 但我们不能忽视的一点是……
4. Nevertheless, we should not neglect the fact that... 尽管
如此，我们不应忽视这一事实……
5. Although..., there is no denying that... 尽管……，但不可否认的是……
三、总结句
1. In summary, we should not neglect the importance of... 总的来说，我们不应忽视……的重要性。
2. To sum up, it is essential to maintain the attitude of... 总的来说，保持……的态度是必不可少的。
3. In conclusion, we should bear in mind that... 总的来说，我们应该牢记……
4. In a word, we must never forget that... 总之，我们绝不能忘记……
5. I would reiterate our position that... 我想重申我们的立场是……
四、原因句
1. The reason why I advocate the idea of... is that... 我之所以主张……的观点是因为……
2. Another reason why we should emphasize the importance of... is because... 我们应该强调……重要性的另一个原因是……
3. The primary reason we should take into account is that... 我们应该考虑的首要原因是……
4. One of the reasons for my belief that... is that... 我相信……的原因之一是……
5. The main reason why we make a point of emphasizing the significance of... is that it is important to... 我们之所以要强调……重要性，主要原因是……
五、假设句
1. Suppose that..., then we can expect... 如果假设……，那么我们可以预期……
2. Assuming that..., it is possible to assume that... 假设……，那么就有可能假设……
3. Suppose we had done..., then we could have achieved... 如果我们做了……，那么我们就可以实现……
4. If only..., things would be completely different 如果只是……，情况就会完全不同。
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