优美作文开头结尾英文

开头：

1. "Nowadays, it is commonly believed that..."（如今，人们普遍认为......，但是我怀疑......）

2. "As far as I am concerned,..."（就我而言，......）

3. "It goes without saying that..."（不言而喻，......）

4. "There is a growing awareness/recognition of the necessity to..."（现在越来越多的人意识到......的必要性。

5. "Just as a coin has two sides, there is a positive aspect and a negative aspect to..."（如同硬币的正反面，......也有积极的一面和消极的一面。

结尾：

1. "In conclusion, we must take action to..."（总之，我们必须采取行动来......）

2. "The last but not the least is that we should..."（最后但并非不重要的是，我们应该......）

3. "To sum up, we have learned that..."（总而言之，我们已经认识到......）

4. "Therefore, it is crucial for us to..."（因此，对我们来说，......是至关重要的。