Fundamentals基础
MongoDB's Queryable Encryption feature is available (GA) in MongoDB 7.0 and later. To learn more about Queryable Encryption and compare its benefits with Client-Side Field Level Encryption, see Queryable Encryption.
Read the following sections to learn how Client-Side Field Level Encryption works and how to use it:阅读以下部分，了解客户端字段级加密的工作原理以及如何使用它：