帮我分析一下一句话,

问题描述:

帮我分析一下一句话,
It is not necessarily the experiment of today that disturbs one's peace of mind
很晕.这是从语法填空上摘来的.填的词是 necessarily

it is not necessarily 是固定搭配,译为 :不一定. 整个句子大概意思就是当今的经历不一定会打搅到一个人思想的平静.