Nonconfidence
n. 不信任
🗣️ 情景例句
I'm a photographer.
我是一位摄影师。
There is nothing either good or bad, but thinking makes it so.
事情本无好与坏，全在自己怎么想。
and a period (which is the time it takes a wave crest to travel one wave length).
和周期（浪峰走过一个波长所需的时间）。