in conclusion

总之，我要感谢我们的特邀演讲者带来了引人入胜的讲话。

___In ___conclusion, I would like to thank our guest speaker for her fascinating talk.

总而言之，游泳是一种令人愉悦的运动方式，也是保持健康的绝佳途径。

___In ___conclusion, swimming is an enjoyable form of exercise and an excellent way to keep fit.

总之，职业倾向测试显然是一种非常有用的工具。

___In ___conclusion, career aptitude tests are clearly a very useful tool.