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.

总而言之，音乐、电视和服装在年轻人的生活中非常重要，并能反映每个人的性格。

___In ___conclusion, music, TV and clothes are very important in a young person's life and can reflect each person's character.