It is necessary to get rid of all our previous bias when we go to a foreign country.

### 解释 bias 是名词，意思是"偏见、成见"，指对人或事物持有的不公平或不合理的倾向性看法。这个词来自法语 biais，原意是"斜线、斜向"，引申为"偏离正轨的看法"。