关注当下。 不要让别人看出你紧张，不要让他们得意。 说话不能没气势。 别害怕沉默。 表达清楚。

Given the above summary, write a detailed text in English for it.
If you've read the first two sections, you probably already have an idea of how to do this. It means putting your phone down, engaging with your body language, having showered in the recent past, and just grounding yourself in the moment. It's called "presence" for a reason. You can't have presence if you don't show up! Connect to the moment. Think of it as your moment. If you're on stage, the stage is yours, this moment is yours, and this character is you. There's nothing to worry about. You're there in mind, body, and spirit. There's no panel of judges, there's no fight with your boyfriend, there's no football game on TV, there's just now where you are. Don't give them the satisfaction. A person with presence is always cool, calm, and collected. When everyone else is pulling their hair out with stress, you're the one getting things done with a smile on your face. You do this stuff in your sleep. You eat this stuff for breakfast. No biggie. Nothing can shake you. This goes double if your presence is onstage or in front of a camera. Any nervousness, any agitation will be seen or captured. You've probably seen an actor who couldn't seem to commit to an action or behavior because they were too busy overthinking it, worrying what was correct. When you start sweating, you've already lost confidence in you, and others will shortly follow suit. This is a problem for most of us, especially women. We're taught to say, "I think maybe this will help the problem," instead of, "Here's the solution." We qualify our words and say "I'm sorry" as a casual starter to any sentence. Don't bother! While these things can be tactful at times, they can also be unnecessary at others. If you're looking to show you're confident in you, you want to abandon the lingual niceties. If your boss were to say, "You know, I was thinking that perhaps we should go in a different direction. I know it'll be a huge inconvenience and I'm so sorry, but I really think this is a good idea, don't you?", how would you interpret that? Now if they were to...