事实上绝大多数公开发表演讲的人都心情紧张，但是一位擅长演讲的人会发出自信心很强的姿态信号来掩饰紧张的心情。

Most public speakers are in fact nervous, but a good speaker learns to hide this by giving off signals of confidence.

youdao

事实上绝大多数公开发表演讲的人都心情紧张，但是一位擅长演讲的人会发出自信心很强的信号来掩饰紧张的心情。

Most public speakers are in fact nervous, but a good speaker learns to hide this by giving off signals of confidence.

youdao

A thousand economists, from leading universities across the country sign a public appeal to congressman and president, not to pass this bill, that it would not do what they said it would do, it would not reduce unemployment, it would in fact lead to retaliation it would make it harder for Americans to sell goods to other countries.

但有数千位经济学家，来自于全国各大院校,向国会和总统公开发出呼吁，不要通过限制进口法案，法案不会奏效，法案不会减少失业，事实上会招致报复,会让美国更难,同别国做交易。

斯坦福公开课 - 经济学课程节选