Because we interact with people all day and we are often forced to be more public' than we'd like.
因为我们每天与人打交道，我们经常被迫比我们想的更为公开。
well,we have to muster our courage and perform in front of others,
嗯，我们必须鼓起勇气在别人面前表现，
It could be a job interview. it could be a presentation,
它可能是一次工作面试。它可能是一次演讲，
or it could be standing in front of a group and simply introducing yourself.
或者，这也可能是站在一群人面前，进行简单的自我介绍。
I think some people are naturally courageous.
我想有些人天生就是勇气非凡。

They are great at public speaking,
他们非常善于演讲，
They don't seem to get too nervous,
他们似乎不太紧张，
Others... well, just the thought of speaking in front of others causes them to get butterflies... to break out in a sweat, ...to start stuttering why is that?
而别人……嗯，只是想在人面前说话……就使他们感到紧张，开始汗流浃背，开始结巴，那是为什么？