同学你好，该知识点来自沪江网校《2023考研蜕变计划标准班【政英+333教育综合+专业课1对1】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。

be subject to  取决于；视…而定 受…支配；服从于
All the holidays on offer are subject to availability. 现行所有的节假日只有在情况允许时才可放假。
All nuclear installations are subject to international safeguards. 一切核设施均须执行国际防护措施
subˈject sb/sth to sth
[ 通常用被动形式]  使经受；使遭受
to be subjected to ridicule 受到嘲笑
The city was subjected to heavy bombing. 那座城市遭受猛烈轰炸。
be exposed to  使暴露于 (危险或令人不快的境地)  使体验 (观念、情感); 引入 (观念、情感)
They had not been exposed to most diseases common to urban populations.
他们未曾遭遇城市人口常得的大多数疾病。
local people who've not been exposed to glimpses of Western life before.
以前从未领略过西方生活方式的当地人。