informal

The two leaders met for an informal lunch to discuss regional issues away from the cameras.

(Chinese) 两位领导人举行了一次非正式午餐，在远离镜头的情况下讨论地区问题。

In the tech industry, many companies maintain an informal dress code where employees wear jeans.

(Chinese) 在科技行业，许多公司保持着非正式的着装规范，员工可以穿着牛仔裤。