1. In sum, I believe we should focus on finding a solution that benefits everyone.
总之，我认为我们应该专注于找到一个对每个人都有利的解决方案。

2. The report was lengthy, but in sum, it concluded that further research was needed.
这份报告很长，但总的来说，它得出结论需要进一步研究。

3. In sum, the project was a success due to the hard work and dedication of the team.
总之，这个项目之所以成功，是因为团队的努力和奉献。

4. The meeting was long and tedious, but in sum, we made progress on important issues.
会议很长而乏味，但总的来说，我们在重要问题上取得了进展。

5. In sum, I think it's important to prioritize communication in any relationship.
总之，我认为在任何关系中都重要的是优先考虑沟通。

6. The presentation was well-received by the audience, and in sum, it effectively conveyed the main points.
演示受到了观众的好评，总的来说，它有效地传达了主要观点。