In their report, Would Contact with Extraterrestrials Benefit or Harm Humanity? A Scenario Analysis, the researchers divide alien contacts into three broad categories: beneficial, neutral or harmful.

在他们的报告里，与外星人接触是利还是弊呢？一份推测分析报告，研究员们将与外星人的接触分为三大类别：有利的，中立的，有害的。

youdao

In general, the contact should be neutral, routine and candid.

通常，交流方式应该是中性的，程序化的和公正的。

youdao

Make and maintain eye contact, keep a neutral body stance and tone to your voice, and sit next to the person when you're talking to them.

保持眼神交流，选择合适的身体距离和语气，并且坐到谈话对象的旁边去，都是必要的。

youdao

Moderate posture, moderate gesturing and a moderate level of eye contact are the neutral canvas you can use to tell your story and to sell your best self to win the job.

FORBES: Grooming Gestures