"Today, I will be talking about", "As you all know", "I‘m going to take a look at/xamine", "Today, I will be concentrating on".
• In my opinion", "I consider... important because", "In my view", "I think that", "On the one hand".
"In conclusions then, it is clear that", "To conclude, therefore, I would say that".
Si dices algo equivocadamente, preguntas al cierre, aclarar algo que no le gustó al público, o presentar resultados por ejemplo.